Best Sigmoid adenocarcinoma doctors in Turkey: TOP 28 doctors

Professor Bülent Karagöz specializes in tumor biology and immunotherapy – key areas for advanced sigmoid adenocarcinoma treatment at Anadolu Medical Center.

• 20+ years in medical oncology with focus on targeted therapies
• Head of Medical Oncology at GATA Haydarpaşa Training Hospital
• Published 40+ papers on cancer research
• Professor at Istanbul Okan University Faculty of Medicine
• Member of Turkish Medical Oncology Association

Dr. Eda Tanrikulu specializes in medical oncology for sigmoid adenocarcinoma at Anadolu Medical Center, with extensive training at top Turkish universities.

• Trained in medical oncology at Marmara University
• Ranked 3rd in Turkey's minor specialty exam in 2013
• Former head of medical oncology at Haydarpaşa Numune Training and Research Hospital
• Involved in international clinical studies in oncology

Specializes in gastrointestinal cancers with training at Hacettepe University Cancer Institute and MD Anderson Cancer Center.

• Experienced in treating various cancers including sigmoid adenocarcinoma
• Trained at one of Turkey's leading medical schools, Hacettepe University
• Fellowship at prestigious MD Anderson Cancer Center in the US
• Works at Hisar Hospital Intercontinental, a recognized healthcare provider

Prof. Kivanc Derya Peker specializes in complex gastrointestinal surgeries, with over 400 pancreatic and gastric cancer procedures performed at Hisar Hospital Intercontinental.

• Trained at Mayo Clinic in Hepatopancreatobiliary Surgery
• Founder of the Hepatopancreatobiliary Surgery unit at Bakirkoy Dr. Sadi Konuk Hospital
• Expert in liver cancer surgery and endoscopic treatments
• Holds a doctorate in aging and stem cell treatments

Professor Yesim Yildirim specializes in cancer immunotherapy and targeted therapies, with over 20 years of clinical experience at Anadolu Medical Center.

• Certified ESMO specialist with advanced training in immunotherapy
• Authored over 80 scientific publications on oncology
• Professor at Halic University, training future oncologists
• Member of European Society of Medical Oncology

Dr. Ayhan Erdemir specializes in pancreatic cancer at Anadolu Medical Center, with extensive experience in general surgery since 2006.

• Trained in general surgery at Dr. Lütfi Kırdar KEAH
• Completed da Vinci Robotic Surgery training in 2014
• Assistant professor at Maltepe University Medical School

Dr. Mustafa Serkan Alemdar is a Medical Oncology specialist with a strong academic background and extensive hospital experience.

• Trained at Akdeniz University – one of Turkey's leading medical schools
• Specializes in Internal Medicine and Medical Oncology
• Years of experience across multiple prestigious hospitals
• Focused on comprehensive cancer care and treatment

Dr. Yildiz specializes in rare neuroendocrine and gastroenteropancreatic tumors, with extensive research published in top medical journals.

• 15+ years focusing on complex gastroenteropancreatic neuroendocrine cases
• Published 17+ peer-reviewed studies including landmark MODEST research
• Skilled in managing treatment side effects like paraneoplastic disorders
• Faculty at Medipol Mega – one of Istanbul's leading teaching hospitals

Prof. Sezer Sağlam specializes in gastrointestinal oncology with over 20 years of experience, currently practicing at Gayrettepe Florence Nightingale Hospital.

• Professor in medical oncology since 2016
• Fellowship-trained at Istanbul University
• Member of ESMO, ASCO, and ENET
• Expert in gastrointestinal oncology cases

Professor Doctor Sefik Igdem specializes in radiation oncology, with a focus on head and neck cancers at Gayrettepe Florence Nightingale Hospital.

• Over 25 years of experience in radiation oncology
• Expert in conformal treatments and advanced technologies like Truebeam Stx
• Professor at T.R Demiroğlu Bilim University
• Trained at Istanbul University's prestigious Cerrahpaşa Faculty of Medicine

Abdullah Sakin leads the Medical Oncology Department at Medipol Bahçelievler Hospital, specializing in advanced treatment protocols.

• Head of Medical Oncology at Yüzüncü Yıl University Faculty of Medicine
• Trained at Istanbul Okmeydanı Training and Research Hospital in Medical Oncology
• Specialist in Internal Medicine with extensive clinical experience

Dr. Yahya Ozel brings 30+ years of surgical expertise, with advanced training in Tokyo University's Hepato-Biliary-Pancreatic Surgery division.

• Specializes in minimally invasive and robotic surgery techniques
• Certified in surgical endoscopy with Turkish Surgical Proficiency
• Academic faculty member training future surgeons
• Works at Estexper Clinic with ERCP and surgical endoscopy experience

Associate Professor since 2016, Dr. Ozatli brings academic rigor to treating gastrointestinal cancers at Istinye University Liv Hospital Bahcesehir.

• Specializes in breast, lung, and gastrointestinal cancers
• Internal medicine specialist with experience across multiple hospitals
• Practiced oncology at Ankara Oncology Clinic and Erzurum Regional Training Hospital
• Trained at Selcuk University's Faculty of Medicine

Dr. Irfan Cicin is a Professor of Medical Oncology at the Trakya University Faculty of Medicine (2015–present). He has over 20 years of medical oncology experience and has held academic roles since 2010.

Education: MD, Istanbul University – Cerrahpaşa (1991–1997). Residency in Internal Medicine, Trakya University (1997–2002). Fellowship in Medical Oncology, Trakya University (2002–2004).

Practice: Medical Oncologist, Trakya University (2005–2008). Medical Oncologist, Elazığ Training and Research Hospital (2008–2010). Associate Professor of Medical Oncology, Trakya University (2010–2015). He previously served as a physician in the Turkish Air Force at Etimesgut Military Hospital (2004–2005).

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.

Specializes in oncological surgeries, particularly colon cancer, with a focus on complex cases at Büyük Anadolu Hospitals.

• Expert in pancreatic and bile duct surgeries
• Performs advanced bariatric and metabolic surgeries
• Skilled in breast and thyroid cancer procedures

Specialized in laparoscopic surgery for sigmoid adenocarcinoma – trained at Istanbul University's top programs.

• Over 20 years of surgical experience
• Advanced training in laparoscopic bariatric and oncological cancer surgery
• Performs minimally invasive procedures for better recovery

Assoc. Prof. Nail Paksoy specializes in medical oncology at Medipol Bahcelievler Hospital, with a focus on gastrointestinal cancers.

• ESMO Board Certified in Medical Oncology
• Participated in international clinical trials for colorectal cancer treatments
• Published research on FLOT regimen for metastatic gastric cancer

Prof. Ozturk combines surgical oncology expertise with physiology research – a rare dual approach at Medicana Bursa Hospital.

• Performs laparoscopic surgeries for GI cancers
• Trained at Cleveland Clinic's colorectal surgery department
• Professor with 14+ years academic experience
• Specializes in gastrointestinal and obesity surgeries