Specializations
Head and Neck Surgery
Surgical Treatment of Head and Neck Cancers
Dizziness (Vertigo)
Endoscopic Sinus Surgeries
Hearing Loss and Ear Diseases Surgery
Endoscopic Head and Neck Diseases Surgery
Head and Neck Diseases Microsurgery
Salivary Gland Diseases and Surgery
Dr. César Lévano Linares is a specialist in general and digestive surgery. He works at Rey Juan Carlos University Hospital and Fundación Jiménez Díaz University Hospital. He is recognized for his work in laparoscopic colorectal surgery.
He holds a PhD in Medicine and Surgery from the Autonomous University of Madrid. He completed a master’s in colorectal and pelvic floor surgery at the University of Zaragoza. He also holds a diploma in laparoscopic surgery from Louis Pasteur University in Strasbourg. He has European accreditation in laparoscopic surgery (EACCME).
His research covers bilateral retroperitoneal hibernoma and conversion from primary endoluminal endoscopic surgery to laparoscopic gastric bypass.
Experience:
2013 :
2005:
2004 - 2013:
1998 - 2002:
1996 - 1996:
1991 - 1996:
1990:
Education:
1996:
1996:
1989:
1989:
Experience
2019 Medipol University Pendik Hospital
2016 - 2019 Medical Park Hospital
2015 - 2016 Derince Training and Research Hospital
2014 - 2015 Yuzuncu Yıl University Faculty of Medicine
2009 - 2014 Recep Tayyip Erdogan University Training and Research Hospital
2007 - 2009 Yesilyurt No. 4 Emergency Health Services Station Education
2014 Recep Tayyip Erdogan University Faculty of Medicine, Pediatric Surgery
2007 Erciyes University, Faculty of Medicine
Publications
1- COMPARISON OF ULTRASONOGRAPHY AND HISTOPATOLOGICAL RESULTS IN CHILDHOOD APPENDICITIS M Kilic HS Yalcin AS Calapoglu Rize Training and Research Hospital RTEU Faculty of Medicine
2- Treatment of the Patient with Gluteal Ulcer and Infantile Hemangioma with Propranolol HS Yalcin, M Kilic Rize Training and Research Hospital Department of Pediatric Surgery
3- USE OF HYACYST IN THE TREATMENT OF REPEAT URINARY TRACT INFECTIONS IN CHILDREN M Kılıç [1], S Cakmak [1], I.S. Arda [2] [1] Rize Training and Research Hospital, Department of Pediatric Surgery, [2] RTEU Faculty of Medicine, Department of Pediatric Surgery
4- PITBULL ATTACK: VIOLENCE OR IMPRUDENCE? Founder, M. Kilic, S. Cakmak, I.S. Arda. Rize University Faculty of Medicine Department of Pediatric Surger
Position:
Associate Professor ,
General Surgery Department
ISTANBUL MEDIPOL UNIVERSITY PENDIK HOSPITAL General Surgery Department
PERSONAL INFORMATION
Birth Date: 14.05.1982
Place of Birth : Şanlıurfa, Türkiye
Married, father of one.
CITIZENSHIP:
Republic of Turkey
EDUCATION:
Specialization:
General Surgery Department
Istanbul Kartal Dr. Lütfü Kırdar Training and Research Hospital (2009- 2014)
University
Istanbul University Istanbul Faculty of Medicine (20022008)
Anadolu University Faculty of Business Administration - Administration of Health Institutions (2013-2015)
Anadolu University Faculty of Open Education Department of Law (2016-)
High school
Erzincan Science High School (1998-2002)
Working Experience:
ERZINCAN NEVZAT AYAZ SCIENCE HIGH SCHOOL 1998-2002
ISTANBUL UNIVERSITY ISTANBUL FACULTY 2002-2009
GENERAL SURGERY ASSISTANT ISTANBUL KARTAL DR. LUTFI KIRDAR TRAINING AND RESEARCH HOSPITAL 2009-2014
SPECIALIST PHYSICIAN MEDENIYET UNIVERSITY GOZTEPE TRAINING AND RESEARCH HOSPITAL 2014-2015
CHIEF PHYSICIAN T.R. MINISTRY OF HEALTH SILOPI STATE HOSPITAL 2015-2016
SPECIALIST PHYSICIAN T.R. MINISTRY OF HEALTH DERINCE TRAINING AND RESEARCH HOSPITAL, 2018-2020
SPECIALIST PHYSICIAN SANLIURFA MEHMET AKIF INAN TRAINING AND RESEARCH HOSPITAL 2016-2018
ASSOCIATE PROFESSOR ISTANBUL KARTAL DR. LUTFI KIRDAR CITY HOSPITAL 2020-2023
İSTANBUL MEDIPOL UNIVERSITY PENDIK HOSPITAL 2023-
PUBLICATIONS
National and International Articles
1 GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA (2021). Inguinal hernia repair via laparoscopic transabdominal preperitoneal (TAPP) method: Our 2 years clinical results. Annals of Medical Research, 28(4), 812-815., Doi: 10.5455/annalsmedres.2020.05.443
2 SAĞIROĞLU ŞÜKRİYE JÜLİDE, ÖZDEMİR TUĞRUL, ATAK TUBA, GÖK MEHMET ALİ, ORHUN ERDOĞAN KIVILCIM, EREN TURGUT TUNÇ, ALİMOĞLU ORHAN (2016). Laparoscopic Total Extraperitoneal Inguinal Hernia Repair Without Mesh Fixation: Report of Early Outcomes. SouthernPrint Date :22/10/2022 17:41:41 Clinics of Istanbul Eurasia, 27(3), 215-219., Doi: 10.14744/scie.2017.64872
3 ÇİFTÇİ ALİ, GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA (2022). Management of Acute Biliary Pancreatitis in Cholecystectomized Patients. Bezmiâlem Science, 10(4), 507-511. Doi: 10.14235/ bas galenos. 2021.6708
4 GÖK MEHMET ALİ, YEĞEN SERKAN FATİH, KAFADAR MEHMET TOLGA, KOCAOĞLU AYTAÇ EMRE (2022). Gastrointestinal Stromal Tümörlerde İmmünohistokimyasal Markırların ve Tümör Boyutunun Prognoz Üzerindeki Rolü. Kocaeli Tıp Dergisi, 10(2), 101-104. M-784-1650 KAFADAR MEHMET TOLGA, GÖK MEHMET ALİ (2022). Laparoscopic transabdominal preperitoneal repair of strangulated femoral hernia: Superiority of an unusual emergency surgical approach due to a case. Annals of Medicine and Surgery, 36(1), 110-112.
5 GÖK MEHMET ALİ, KARADAYI BÜYÜKÖZSOY AYŞEGÜL, KAFADAR MEHMET TOLGA (2022). The sensitivity of ultrasound in the clinical diagnosis of inguinal hernias in adults: a comparative study. Journal of Ultrasound, 1-4., Doi: 10.1007/s40477-021-00641-4
6 KARADAYI BÜYÜKÖZSOY AYŞEGÜL, KARATAY EMRAH, GÖK MEHMET ALİ (2022). Comparison of the Effectiveness of Ultrasound Imaging and Perioperative Measurement in the Diagnosis and Characterization of Incisional Hernia. Journal of Medical Ultrasound, 1-5.
7 GÖK MEHMET ALİ, DEMİR MUSTAFA, YEĞEN SERKAN FATİH, KAFADAR MEHMET TOLGA, ŞENOL METİN, KOCAOĞLU AYTAÇ EMRE, AKIN EMRAH (2022). Endoscopic Intra-gastric Botulinum Toxin A for Obesity Treatment: IsIt Effective?. Kocaeli Tıp Dergisi, 11(2), 149-152.
8 GÖK MEHMET ALİ, KARATAY EMRAH, ÇİFTÇİ ALİ (2022). İnguinal Hernilerde Balonsuz ve Mesh Sabitleyicisiz Laparoskopik Total Ekstraperitoneal Onarımın Cerrahi Deneyim ile Korelasyonu. Dicle Medical Journal, 49(3), 498-503., Doi: 10.5798/dicletip.1170263
9 KAFADAR MEHMET TOLGA, GÖK MEHMET ALİ (2022). Effects of Carvedilol on Liver İschemiaReperfusion İnjury in Rats. Ulusal Travma ve Acil Cerrahi Dergisi-Turkish Journal of Trauma & Emergency Surgery, 28(7), 885-893.
10 ŞENOL METİN, GÖK MEHMET ALİ (2022). Small Bowel Obstruction due to Phytobezoar. Kocaeli Tıp Dergisi, 11(2), 1-6.
11 KARATAY EMRAH, GÖK MEHMET ALİ, JAVADOV MIRKHALIG (2021). Measurement of hiatal surface area and other hiatus oesophageal diameters at computed tomography imaging in patients with gastroesophageal reflux disease and its relationship with hiatal hernia. Journal of Minimal Access Surgery, 17(4), 537-541., Doi: 10.4103/jmas.JMAS_175_20
12 GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA, YEĞEN SERKAN FATİH (2021). Perforated colorectal cancers; clinical outcomes \nof 18 patients who underwent emergency surgery. Gastroenterology Review, 16(2), 161-165., Doi: 10.5114/pg.2021.106667
13 YEĞEN SERKAN FATİH, KAFADAR MEHMET TOLGA, GÖK MEHMET ALİ (2020). Comparison of Perioperative Standard and Immunomodulating Enteral Nutrition in Patients Received Major Abdominal Cancer Surgery: a Prospective, Randomized, Controlled Clinical Trial. Indian Journal of Surgery, 82, 828-834., Doi: 10.1007/s12262-020-02114-0
14 GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA, YEĞEN SERKAN FATİH (2020). Effects of Preoperative Oral Carbohydrate Loading on Preoperative and Postoperative Comfort in Patients Planned to Undergo Elective Cholecystectomy: A Prospective Randomized Controlled Clinical Trial. Iranian Red Crescent Medical Journal, 22(11), 1-6., Doi: 10.32592/ircmj.2020.22.11.107
15 GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA, YEĞEN SERKAN FATİH (2019). Comparison of negative-pressure incision management system in wound dehiscence: A prospective, randomized, observational study. Journal of Medicine and Life, 12(3), 276-283., Doi: 10.25122/jml-2019-0033
16 KAFADAR MEHMET TOLGA, YALÇIN METİN, DADÜK YILDIRAY, SOYALP MURAT, GÖK MEHMET ALİ (2018). Laparoscopic Cholecystectomy for Acute Cholecystitis in Situs Inversus Totalis: An Extraordinary Approach. Eurasian Journal of Emergency Medicine, 17(2), 82-84.
17 KAFADAR MEHMET TOLGA, TEKER İBRAHİM, GÖK MEHMET ALİ, UĞURLU ESAT TAYLAN, ÇETİNKAYA ISMAİL (2018). Atraumatic splenic rupture secondary to abscess in a hemodialysis patient: a rare and fatal cause of acute abdomen diagnosed late. Journal of Surgical Case Reports,5, 1-3., Doi: 10.1093/jscr/rjy103
18 KAYA FERUDUN, KAFADAR MEHMET TOLGA, KISMET KEMAL, GÖK MEHMET ALİ, ERTAŞ ERTUĞRUL (2018). Congenital Transmesenteric Hernia Without Bowel Strangulation in a Young Adult. The Medical Bulletin Of Haseki, 56(4), 337-340., Doi: 10.4274/haseki.galenos.2022.8361
19 GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA, GÜNEŞ ABDULLAH (2018). Laparoscopic treatment of hepatic hydatid disease: Şanlıurfa-Turkey experience and early clinical outcomes. Laparoscopic Endoscopic Surgical Science, 25(3), 98-102., Doi:14744/less.2018.4353171203046744-1078.03 Basım Tarihi 22/10/2022 17:41:41 Sayfa: 2
20 KAFADAR MEHMET TOLGA, YALÇIN METİN, GÖK MEHMET ALİ, AKTAŞ AYŞEGÜL, YÜREKLİ TACİTTİN SEMİH, ARSLAN AYŞEGÜL İSAL (2017). intraparenchymal Leiomyoma of the Breast: A Rare Location for an Infrequent Tumor. intraparenchymal Leiomyoma of the Breast: A Rare Location for an Infrequent Tumor, 13(3), 156-168., Doi: 10.5152/ejbh.2017.3472
21 GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA, ÖTER VOLKAN (2017). Early-term elective laparoscopic resection after endoscopic detorsion in cases with sigmoid colonic volvulus. Annals of Clinical and Analytical Medicine, 8(6), 492-495., Doi: 10.4328/JCAM.5231
22 KAFADAR MEHMET TOLGA, GÖK MEHMET ALİ, ÖTER VOLKAN (2017). Late-diagnosed penetrating stab Wounds in diaphragm and herniation. Annals of Clinical and Analytical Medicine, 8(4), 367-369., Doi: 10.4328/JCAM.5103
23 ANADOLULU ALİ İHSAN, KAFADAR MEHMET TOLGA, GÖK MEHMET ALİ, ANADOLULU ZEYNEP (2017). Laparoscopic spleen-preserving distal pancreatectomy with splenic vessel preservation for pancreatic pseudocyst in a 10-year-old boy. Journal of Pediatric Surgery Case Reports, 34(1), 10-12.
Proceedings
National and International Proceedings
İnguinal Hernilerde Total Ekstraperitoneal Onarımda Balon Disseksiyonu ile Teleskopik Disseksyonun Kıyaslanması, KAFADAR MEHMET TOLGA, GÖK MEHMET ALİ (2022). 22.. Ulusal Cerrahi Kongresi,
İNSİZYONEL HERNİLERDE LAPAROSKOPİK VE KONVANSİYONEL ONARIM YÖNTEMLERİ ARASINDAPOSTOPERATİF AĞRI, GÖK MEHMET ALİ, JAVADOV MIRKHALIG (2021). 8.. Ulusal Fıtık Kongresi
Laparaskopık total ekstraperıitoneal (TEP) onarımında redükte edilemeyen keseler enerji
cıihazıyla lıigate edılebırlıir mı , KAFADAR MEHMET TOLGA, GÖK MEHMET ALİ (2019). 7..
Ulusal Fıtık Kongresi
TEK İNSİZYON LAPARASKOPİK TOTAL EKSTRAPERİTONEAL İNGUİNAL HERNİ ONARIMI DENEYİMİMİZ, GÖK MEHMET ALİ, DEMİR MUSTAFA (2019). 14.. Endoskopik Laparoskopik Cerrahi Kongresi
Laparaskopik Sleeve Gastrektomide 3D Görüntüleme Sisteminin Etkiniliği , GÖK MEHMET ALİ, KAYA FERUDUN, KAFADAR MEHMET TOLGA, AKSOY BAŞAR (2017). 2.. Bariatrik ve Metabolik Cerrahi Kongresi
İnsizyonel hernide laparaskopik preperitoneal onarım, GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA (2017).. 9.. Cerrahi Araştırma Kongresi
ERCP Yapılan Kist Hidatikli Hastalarda Kist Küçülür mü, YALÇIN METİN, GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA (2017).. 13.. Türk Hepatopankreatobilier Cerrahi Kongresi
İnsizyonel Hernilerde TAPP Onarım Mümkün mü, GÖK MEHMET ALİ, AKSOY BAŞAR, KAFADAR MEHMET TOLGA, YALÇIN METİN (2017).. 6.. Ulusal Fıtık Kongresi, (Özet bildiri)
HİATAL HERNİLERDE LAPAROSKOPİK YAKLAŞIM, GÖK MEHMET ALİ, YALÇIN METİN, KAFADAR MEHMET TOLGA, YILMAZ TACETTİN SEMİH, AKTAŞ AYŞEGÜL (2017).. 13.. Endoskopik Laparoskopik Cerrahi Kongresi
KLİNİĞİMİZDE İNGUİNAL HERNİDE 3 TEKNİĞİN KARŞILAŞTIRLMASI, YALÇIN METİN, GÖK MEHMET ALİ, ÇEKİÇ TOLGA FARUK, KABALAK BİLAL, ÖTER VOLKAN, AKTAŞ AYŞEGÜL (2017). Ulusal Endoskopik Laparoskopik Cerrahi Kongresi
Kolon Divertikül Perforasyonlarında Hartmann Prosedürü veya Primer Anastomoz? , GÖK MEHMET ALİ, KEŞKÜŞ BRAHIM H. HÜDAVERDI, BÖZKURT AHMET ÇAĞLAR, YALÇIN METİN, YILMAZ TACETTİN SEMİH (2017).. 11.. Ulusal Travma ve Acil Cerrahi Kongresi, (Özet bildiri)
GASTROİNTESTİNAL PREKANSEROZ LEZYONLARDA ENDOSKOPİK MUKOZAL REZEKSİYONUN ROLÜ, ORMAN SÜLEYMAN, GÖK MEHMET ALİ, EREN TURGUT TUNÇ, LEBLEBİCİ METİN, ALİMOĞLU ORHAN (2015). 12.. Ulusal Endoskopik Laparoskopik Cerrahi Kongresi
PİYES MAMAOGRAFİSİNDE KİTLE YOK! NE YAPILMALIM, ESER MEHMET, HATİPOĞLU HAYAT, GÜNDOĞAN ERSİN, GÖK MEHMET ALİ, ÇETİN KENAN, ACAR AYLİN, TAN SEDAT, BİLDİK NECDET (2014).. 19.. Ulusal Cerrahi Kongresi
LAPAROSKOPİK KOLESİSTEKTOMİ YAPILAN HASTALARDA TROKAR YERİ FITIĞI GELİŞİMİNDE ETKİLİ OLABİLECEK FAKTÖRLERİN ARAŞTIRILMASI, GÖK MEHMET ALİ, KÜNDEŞ MUHAMMED FİKRİ, KEMENT METİN, ATICI ALİ EMRE, KAPTANOĞLU LEVENT, İLHAN NOYAN, CAN UĞUR, BİLDİK NEJDET, VURAL SELAHATTİN (2014).. 19.. ULUSAL CERRAHİ KONGRESİ
Books
Written sections in international books
1)Genel Cerrahide Nadir Görülen Acil ve Elektif Vakalar, Bölüm adı:(Akciğere Fistülize Karaciğer Kist Hidatik Vakasına Acil Laparoskopik Yaklaşım) (2020)., COŞKUN MURAT, GÖK MEHMET ALİ,
Akademisyen Yayınevi, Editör: Ender ANILIR Mehmet BAYRAK Mehmet Tolga KAFADAR Mert TANAL Ali Emre NAYCI Hüseyin KILAVUZ Özlem Öndeş BAYAR, Basım sayısı:1, Sayfa Sayısı 655, ISBN:978- 625-7275-23-1, Türkçe(Bilimsel Kitap)
2)Gastrointestinal Sistem Kanserlerinin Cerrahisi, Bölüm adı:(Karaciğerin Primer Solid MalignNeoplazileri) (2020)., GÖK MEHMET ALİ, Akademisyen Yayınevi, Editör: Hüseyin Özgür AYTAÇ, Basım sayısı:1, Sayfa Sayısı 404, ISBN:978-605-258-949-6, Türkçe (Bilimsel Kitap)
3)Gastrointestinal Sistem Tümörleri-1, Bölüm adı:(ERKEN EVRE HASTALIKTA CERRAHİ TEDAVİ) (2019)., GÖK MEHMET ALİ, Akademisyen Yayınevi, Basım sayısı:1, Sayfa Sayısı 493, ISBN:978-605-258-551-1, Türkçe (Bilimsel Kitap)
Editorship
1) Minimal İnvaziv Cerrahi, Kitap, Editör, Akademisyen Kitapevi A.Ş., 22.10.2020-15.07.2021
2. YENİ NESİLCERRAHİ, Kitap, Editör, Akademisyen Kitapevi A.Ş., 15.06.2021-15.08.2022
3. Onkolojik Cerrahi, Kitap, Editör, Akademisyen Kitapevi A.Ş., 05.04.2021-05.12.2021
4.. Fıtık Cerrahisi, Kitap, Editör, Akademisyen Kitapevi A.Ş., 07.04.2020-07.11.2020
Certificates
Hernia A to Z Fundemantals Hands on Workshop, Laparoscopic Hernia Surgery Experience Certificate in Cadaver was awarded by the European Hernia Society.
. DUBAİ/ U.A.E, 28.11.2018
CADAVER TRAINING EVENT IN COLON AND RECTAL SURGERY, Robotic Colorectal Surgery in Cadaver training certificate was given. STONY BROOK UNİVERSİTY / NEWYORK/ USA,.04.2016
Memberships in Scientific Organizations:
1.. Turkish Society of Colon and Rectum Surgery, Member, 2020
2.. Turkish Surgical Association, Member, 2014
Dr. Yaacov Lawrence, MA, MBBS, MRCP, is Chair of Radiation Oncology at Sheba Medical Center. He has nearly 30 years of experience in precision radiation oncology and neuro-oncology.
He is an expert in advanced radiation therapy and radiosurgery. He performs stereotactic radiosurgery for brain tumors. He leads Sheba’s GI Cancer Program in gastrointestinal oncology. He also provides precision care for lung and prostate cancers. He pioneered celiac plexus radiosurgery for severe pain from pancreatic cancer.
Training and credentials: MA and MBBS (Cambridge and UCLH); MRCP (RCP); Radiation Oncology fellowship (Thomas Jefferson University). Honors include the ASCO Young Investigator Award and Fellow of ASTRO (FASTRO). He has authored over 280 publications. He is Director of the Center for Translational Radiation Oncology and an Associate Professor at Tel Aviv University.
PERSONAL INFORMATION
Date of Birth: 18.08.1968
Place of Birth: Konya – Cihanbeyli
Higher Education: Istanbul University Cerrahpasa Faculty of Medicine (1991)
Specialization: Istanbul University Cerrahpasa Faculty of Medicine, Department of General Surgery
Specialization Graduation Thesis: Comparison of L-thyroxine Bromocriptine in Relation to
TSH Suppression After Total Thyroidectomy (19.02.1997)
Military Service: Sivas Military Hospital (1999-2000)
Foreign Language: English
WORK EXPERIENCE
- May 15, 1997-1999 – Metropolitan Florence Nightingale Hospital, General Surgeon
- July 1999 – September 2000 – Sivas Military Hospital
- Since October 2000 – Metropolitan Florence Nightingale Hospital, General Surgeon
Дәрігер жалпы және висцеральды хирургия саласында жоғары білікті маман болып табылады, Вена медицина университетінің Хирургия университеттік клиникасында, Жалпы хирургия клиникалық бөлімінде аға дәрігер ретінде қызмет етеді. Клиникалық назар гепатобилиопанкреатикалық хирургияны, онкологиялық висцеральды хирургияны және эндокриндік хирургияны қамтиды. Дәрігер 2005 жылы хирургия бойынша мамандық емтиханын тапсырып, 2009 жылы висцеральды хирургия бойынша қосымша маман болды. Дәрігер академиялық оқытуға белсенді қатысады және 2006 жылдан бері жеке дәрісші болып табылады.
Дәрігер бірнеше беделді хирургиялық қоғамдардың мүшесі болып табылады және Австрия хирургиялық онкология қоғамының бауыр/өт/ұйқы безі жұмыс тобын басқарады. Дәрігер сондай-ақ көптеген медициналық журналдарға рецензент ретінде үлес қосады.
Дәрігер жалпы және висцеральды хирургия саласының маманы, Вена медициналық университетінің жалпы хирургия бөлімінде хирург болып қызмет атқарады. Асқазан және өңеш хирургиясы тобын басқарады, сонымен қатар Венадағы Комплекс онкологиялық орталығында гастроэзофагеальды ісік бөлімінің басшысы болып табылады.<\/p>
240-тан астам мамандандырылған мақалалары бар дәрігер 2014 жылдан бері Австрия хирургиялық онкология қоғамының бас хатшысы және 2012 жылдан бері жоғарғы асқазан-ішек қызметінің басшысы сияқты маңызды рөлдерді атқарған. Дәрігер хирургия бойынша доцент және 2007 жылдан бері жоғарғы асқазан-ішек хирургиясының маманы.<\/p>
Dr. Muhammed Mustafa Atci is an Associate Professor of Medical Oncology at İstinye University, Liv Hospital Topkapı (2025–present). He previously served as Associate Professor and Education Coordinator at Prof. Dr. Cemil Taşcıoğlu City Hospital (2023–2025). He was also a Medical Oncologist there (2018–2021).
He has been a member of ASCO and the Turkish Society of Medical Oncology since 2018. He is the author or co-author of 19 peer-reviewed international papers on colon, breast, gastric, pancreatic, lung, thyroid, sarcoma, and colorectal cancers.
Notable works include a multicentre study on stage IIB colon cancer survival (Journal of Chemotherapy). He also studied the De Ritis ratio for lung metastasis in testicular cancer (Current Urology). His prognostic studies used PET/CT, MSI, lymph node ratio, and metabolic tumor volume.
Dr. Amr Mahmoud Al Demery is a consultant thoracic surgical oncologist with 12 years of experience. He holds an M.B.B.Ch from Kasr El-Aini, Cairo University (2007). He earned a Master’s in Surgical Oncology in 2014 and a Doctorate in Surgical Oncology in 2019 from the National Cancer Institute, Cairo University. He is a Member of the Royal College of Surgeons of England (MRCS, 2014). He speaks English and Arabic.
His practice includes the assessment, diagnosis, and surgical treatment of thoracic cancers. He performs bronchoscopy, thoracoscopy, and mediastinoscopy. He carries out lung resections, including wedge resection, lobectomy, bilobectomy, and pneumonectomy. He also performs esophageal resection with reconstruction and pleural decortication. His work includes thymectomy and mediastinal lymph node dissection. He performs chest wall and diaphragmatic tumor resection with reconstruction.
He served as Resident, Assistant Lecturer, and Lecturer of Surgical Oncology at the National Cancer Institute, Cairo University. He is a consultant in thoracic surgical oncology at Dar El-Salam, Tanta, Damanhour, and Shefaa Al Orman Cancer Centers. He is a member of the Egyptian Society of Surgical Oncology. He is a cofounder and member of the Egyptian Society of Respiratory Neoplasms.
Dr. Nir Kleinmann, MD, directs the Endourology and Kidney Stones Unit at Sheba Medical Center. He is an expert in minimally invasive urology and urologic oncology. His focus is the kidney and upper urinary tract. He was named among Israel’s Best Doctors for 2025–2026 by Forbes and ResultMed.
He is a pioneer of kidney‑sparing laser surgery. He uses a dual‑laser system with neodymium and holmium for complex tumors. His expertise includes UTUC, kidney and prostate cancer, kidney stones, and BPH.
His research includes the OLYMPUS trial on chemoablation for UTUC. He has more than 60 publications.
He is an Israeli board‑certified urologist. He is a Fellow of the American Endourology Society and a member of the Israeli Urological Association and the EAU. He completed fellowships in Endourology and Minimally Invasive Surgery at Thomas Jefferson University. He also completed a fellowship in Kidney Cancer Research at McMaster University.
Areas of Interests
Education:
Experience:
International Peer-Reviewed Journals:
National Peer-Reviewed Journals:
Congress Presentations:
Book Chapters:
Портфолиоды қарау
Medical Interests and Activities
Gastrointestinal diseases
Oncologic laparoscopic surgery
Anorectal area diseases
Urgent surgical cases (acute cholecystitis, divertikülit, ileus, pankreatit, appendicitis)
Colon and rectum cancer
Treatment of oncologic surgical cases with further laparoscopic and robotic surgery.
Laparoscopic hernia surgery
Esophagus and stomach cancer
Selim anorectal diseases (hemorrhoidal disease, anal fissure), perianal fistula, pilonoidal sinus (hairless- non-surgical treatment)
Education and Experience
İstanbul University Medical Faculty 1988
University of Colorado Health Science Center – Intern Surgeon
Isparta, Dedeçam Şehit Ramazan Karaca Health Center (1995-1996)
İstanbul Surgery Hospital – American Hospital (2000-2001)
Chief assistant Istanbul Medical Faculty, Department of General Surgery (2001-2008)
World Congress on Peritonel Surface Malignancies (HIPEC course) Berlin, Germany (2012)
USC Keck School of Medicine, Los Angeles, CA, USA (2006-2007)
Assoc. Prof. M.D. , İstanbul Medical Faculty General Surgery (2008-2014)
Da Vinci Robotic Intensive Course at IRCAD, Strasbourg, France (2011)
Stony Brook Medicine Cadaver Training Event in Colon and Rectal Surgery, New York, USA (2016) (Instructor)
Fellow of the European Board of Surgery- Emergency Surgery (FEBS EmSurg) Honorary Diploma (2017)
Prof. M.D. , İstanbul Medical Faculty General Surgery (2014 -2017)
İstanbul University Medical Faculty – General Surgery Master of Science 1996
University of Southern California Medical Center, Department of General Surgery, Los Angeles, USA – February 2006 – February 2007
Liv Hospital
Memberships
Turkish Society of Surgery
National Endoscopic Laparoscopic Surgery Association
Turkish Colon and Rectum Surgery Association
National Trauma and Emergency Surgery Association
Hepato-Pancreato-Bilier Surgery Association
Istanbul Surgical Association
Flebology Association
ESTES (European Society of Trauma and Emergency Surgery)
International Society of Surgery (ISS)
Dr. Adnan Sayar is a leading thoracic surgeon in Turkey. He has over 40 years of medical experience and more than 30 years in thoracic surgery. He is known for his work in minimally invasive thoracoscopic and robotic procedures. These techniques have helped improve patient recovery and outcomes for chest diseases.
Dr. Sayar received international training at top centers, including Kyoto University and the Karolinska Institute. He is a key figure in lung transplantation and serves on Turkey’s Ministry of Health Lung Transplantation Scientific Committee. He also holds the FETCS certification from the European Board of Thoracic and Cardiovascular Surgery.
His expertise includes lung cancer surgery, tracheal and diaphragmatic reconstruction, and pediatric thoracic surgery. As a professor and mentor, he has led both public and private institutions. Dr. Sayar has helped thousands of patients and has played a major role in advancing thoracic care standards in Turkey.
Dr. Mariana Myslovych is a dermatologist and trichologist, and a hair transplant specialist with over 9 years in hair restoration. She founded the clinic and serves as its lead physician. She trains the transplant team in her methods and follows European medical standards. She is a member of the European Hair Research Society and holds a valid Polish medical license.
Dr. Mariana has performed several thousand hair transplant procedures. Her focus is natural, discreet results. She has designed each step of the process. Micro FUE uses ultra-small instruments to reduce trauma. She creates European-style hairlines with Micro Sapphire. DHI implantation supports over 90% graft survival with proper density and natural growth direction.
Портфолиоды қарау
Medical Fields of Interest
• Thoracoscopic and Robotic Minimally Invasive Surgery
• Lung Cancers
• Trachea Surgery
• Lung Transplantation
• Lung Biopsy • Pneumothorax (collapsed lung)
• Diaphragmatic Surgery • Surgery of Pleural Diseases
• Pediatric Thoracic Surgery
Education
• Istanbul University, Istanbul Faculty of Medicine
•Istanbul Galatasaray High School
• Primary Education Ankara, Samsun, Izmir
Dr. Koray Acarli is a Professor of General and Hepato-Pancreato-Biliary (HPB) Surgery. He has broad experience in treating both benign and malignant diseases of the liver, bile ducts, and pancreas. His expertise includes tumors, gallbladder cancer, cholangiocarcinoma, Klatskin tumors, and pancreatitis. He also treats biliary and pancreatic stones, as well as obstructive diseases, whether benign or malignant.
He earned his medical degree and completed his surgical training at Istanbul University Faculty of Medicine. He then received advanced training at Mount Sinai Medical Center in New York. Dr. Acarli has led several major centers, including serving as Head of the Liver Transplant Center at Istanbul University and Head of the Organ Transplant Center at Memorial Şişli Hospital. He is currently a Professor of General and HPB Surgery at Liv Hospital Ulus.