Page 2 - Best Sigmoid adenocarcinoma doctors in Turkey: TOP 36 doctors

Assoc. Prof. Atakan Topçu, M.D., is a medical oncologist at Medipol University and Medipol Acıbadem Regional Hospital. He treats solid tumors, including lung, breast, colorectal, gastric, and neuroendocrine cancers. His work also covers targeted therapies, immunotherapy, geriatric oncology, and cancer-related malnutrition, cachexia, and sarcopenia.

He has authored more than 50 peer-reviewed papers. Recent work includes a 2024 Frontiers in Medicine study on geriatric syndromes and a 2023 Future Oncology paper on sarcopenia and anxiety in lung cancer. He has also published on the CONUT score in breast cancer and on malnutrition in HER2-negative metastatic gastric cancer.

Dr. Topçu serves on the Editorial Board of BMC Cancer. He is a member of the Turkish Society of Medical Oncology, ESMO, and the Turkish Geriatrics Society. Education and training: M.D., Uludağ University; residency in Internal Medicine, Marmara University; fellowship in Medical Oncology, Bezmialem Vakıf University.

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

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

• Over 16 years of experience of surgical experience
• Advanced training in laparoscopic bariatric and oncological cancer surgery
• Performs minimally invasive procedures for better recovery

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).

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

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.

Professor Duygu Derin has authored over 30 scientific papers on cancer treatment and is a leading oncologist at LIV Hospital Ulus.

• Extensive experience treating gastrointestinal cancers, including sigmoid colon cancer
• Author of more than 30 national and international oncology papers
• Member of the European Society for Medical Oncology (ESMO)
• Associate Professor with advanced academic credentials
• Her expertise is well-recognized among Turkish and European oncologists

Dr. Tarkan specializes in complex surgeries for stomach cancer, bringing focused expertise to challenging cases.

• Member of Turkish Bariatric Surgery Association
• Affiliated with International Federation for the Surgery of Obesity
• Graduated from Dicle University Faculty of Medicine

Dr. Sahibov specializes in radiation oncology, trained at Marmara University – one of Turkey’s leading medical schools.

• Completed specialization training in radiation oncology at Marmara University
• Focuses on precise radiation therapy for gastrointestinal cancers
• Works at Emsey Hospital – a center with advanced radiation technology

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 28 years of experience academic experience
• Specializes in gastrointestinal and obesity surgeries

Associate Professor Dr. Emrah Eraslan specializes in colorectal cancer at Private Koru Ankara Hospital, with extensive experience in medical oncology.

• 21 years of experience in internal medicine and medical oncology
• Specialized in colorectal cancer among other major cancers
• Associate professor with significant academic contributions
• Works at the renowned Private Koru Ankara Hospital

Over 26 years of experience specializing in cancer surgery – Assoc. Dr. Ugur Ekici focuses on advanced laparoscopic techniques at Medicana Bahcelievler Hospital.

• Specialized in obesity and metabolic, thyroid, parathyroid, and cancer surgeries
• Training from Şişli Etfal Hospital's renowned General Surgery Clinic
• Published in multiple international peer-reviewed journals
• Performs both traditional and minimally invasive procedures