Best Colon cancer doctors in Istanbul: TOP 46 doctors

Author of 40+ peer-reviewed publications in tumor biology/immunology and systemic therapy (immunotherapy and targeted therapy); member of the Turkish Medical Oncology Association and the European Head & Neck Society.

Why patients choose Dr. Bülent Karagöz:

• Treatment based on U.S. protocols through Anadolu Medical Center’s strategic collaboration with a leading U.S. institution — Johns Hopkins Medicine.
• 40+ scientific publications in tumor biology/immunology and systemic therapy (immunotherapy and targeted therapy).
• Former department head (GATA) and professor/department chair (Okan University, Turkey) — leadership and clinical experience at major centers.
• Treats solid tumors (e.g., breast, lung, colorectal), applying modern regimens guided by tumor biology.
• Anadolu Medical Center holds ESMO designation and JCI accreditation — meaning the doctor treats according to international protocols, within a multidisciplinary team, with strict safety oversight.

Ranked 1st in Turkey in the Medical Oncology Proficiency Exam – Dr. Keskin brings 28 years of dedicated expertise to colon cancer treatment at Memorial Şişli Hospital.

• Performed 1,100+ cancer treatments including advanced immunotherapy
• Best Poster Award at 19th National Cancer Congress
• Active member of ASCO and ESMO oncology societies
• Published 42 articles in international medical journals

1,100+ treatments performed – Associate Professor Mustafa Solak specializes in gastrointestinal cancers, including colon cancer, at Hisar Hospital Intercontinental.

• 18 years of experience in clinical oncology
• Fellowship-trained at Hacettepe University Cancer Institute
• Worked at The University of Texas MD Anderson Cancer Center
• Specializes in breast, testicular, ovarian, lung, and head & neck cancers

Ranked 3rd in Turkey for medical oncology – Dr. Tanrikulu leads the Medical Oncology Unit at Anadolu Medical Center.

• Specializes in medical oncology with 15+ years of experience
• Head researcher in international clinical studies on cancer treatments
• Trained at top universities in Turkey, including Marmara University
• Focuses on personalized chemotherapy protocols

Prof. Dr. Suleyman Alici specializes in oncology, bringing focused expertise to colon cancer cases at Hisar Hospital Intercontinental.

• Consultation available with an experienced oncology specialist
• Named specifically for oncology-related diagnostic tests
• Recognized as a key oncology doctor in treatment plans

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

• Trained at Mayo Clinic in Hepatopancreatobiliary Surgery
• Founder of Hepatopancreatobiliary Surgery unit at Bakirkoy Dr. Sadi Konuk Hospital
• Expert in liver, pancreas, and stomach cancer surgeries
• Specializes in obesity-metabolic surgery and endoscopic treatments

Performed 2,500+ radiotherapy sessions with MR-Linac – Assoc. Prof. Gorkem Turkkan specializes in advanced radiation treatments at Hisar Hospital Intercontinental.

• Expert in stereotactic and MRI-guided radiotherapy
• Published 27 articles in domestic and international journals
• Member of European Society of Radiotherapy and Oncology since 2015
• Completed fellowship at Maastricht University on thoracic radiotherapy

Specializing in colon cancer surgery with advanced laparoscopic techniques – Dr. Kartal brings precision to complex cases at Anadolu Medical Center.

• 15+ years of surgical experience
• Trained in cytoreduction and HIPEC for metastatic colorectal cancer
• Member of European Society of Coloproctology
• Certified in advanced endoscopic procedures

Prof. Hüseyin Baloğlu is a pathology specialist at Anadolu Medical Center in Gebze, Kocaeli, Turkey. He focuses on molecular pathology, surgical pathology, and tumour biopsy and diagnostics.

Education and accreditations: MD, GATA Medical School (1986). Pathology specialty training, GATA (1992). Associate Professor (Doçent), GATA (2004). Visiting scholar at Albert Einstein College of Medicine (New York) and Heidelberg University.

Achievements: author of over 600 peer‑reviewed publications. Holds a patent in molecular diagnostics for thyroid cancer. Leads liquid biopsy and precision oncology services.

Prof. Sezer Sağlam specializes in gastrointestinal oncology with over 20 years of experience at top hospitals in Istanbul.

• Professor of Medical Oncology since 2016
• Fellowship-trained at Istanbul University Medical Faculty
• Member of ESMO, ASCO, and European Neuroendocrine Tumor Society
• Works at Gayrettepe Florence Nightingale Hospital

Professor Doctor Sefik Igdem specializes in radiation oncology at Gayrettepe Florence Nightingale Hospital.

• Over 30 years of experience in radiation oncology
• Expert in conformal treatments for prostate cancer
• Uses advanced Truebeam Stx and Halcyons technologies
• Former Associate Professor at T.R. Demiroğlu Bilim University
• Specialized training from Istanbul University Cerrahpaşa Faculty of Medicine

Assoc. Prof. Abdullah Sakin leads the Medical Oncology Department at Medipol Bahçelievler Hospital, bringing extensive experience in colon cancer treatment.

• Head of Medical Oncology at Yüzüncü Yıl University Faculty of Medicine
• Trained in Medical Oncology at İstanbul Okmeydanı Eğitim ve Araştırma Hastanesi
• Specializes in internal medicine with a focus on oncology
• Works at Medipol Bahçelievler Hospital, a leading healthcare institution

Dr. Yahya Ozel trained at Tokyo University Hospital under leading experts in Hepato-Biliary-Pancreatic Surgery – bringing advanced techniques to colon cancer care.

• 30+ years of surgical experience with a focus on minimally invasive techniques
• Specializes in oncological surgery alongside bariatric and hepatobiliary procedures
• Certified in surgical endoscopy and advanced laparoscopy
• Academic faculty member training future surgeons

Dr. Sinan Karaaslan — Medical Oncologist at Anadolu Medical Center (since 2014). He treats breast, colorectal, and genitourinary cancers; in medical oncology since 2003. Member of the Turkish Medical Association, the Turkish Society of Medical Oncology, and the Turkish Lung Cancer Society.

Why patients choose and trust Dr. Karaaslan:

• Manages complex cases of breast, colorectal, and genitourinary cancers — applies modern systemic therapy tailored to the tumor type and stage.
• Member of the Turkish Medical Association, the Turkish Society of Medical Oncology, and the Turkish Lung Cancer Society.
• Author of numerous peer-reviewed articles and patient education materials on chemo- and immunotherapy.
• Practices at a center with ESMO Designated Centre status and JCI accreditation, within a strategic collaboration with Johns Hopkins Medicine International — one of the leading U.S. medical institutions. For patients, this means care aligned with U.S. protocols and the use of advanced equipment.

Dr. Vafi Atalay is an experienced oncological and general surgeon with 17 years in the field. He specializes in pancreatic, colon, rectal, and liver surgeries. He also performs advanced endoscopic procedures. Dr. Atalay has published 31 articles in national and international journals, making valuable contributions to medical literature.

He received the first prize at the 20th Congress Research Paper Competition. He also won the Best Research Award at the 5th Surgeon Research Congress. Dr. Atalay is a member of TSS, the Palestinian Medical Association, and IOA. His active involvement in these organizations shows his dedication to professional growth and surgical excellence.

Professor Yesim Yildirim specializes in cancer immunotherapy and targeted therapies, with over 80 international publications. She works at Anadolu Medical Center.

• Member of European Society of Medical Oncology (ESMO)
• Expert in breast, gastrointestinal, and lung cancers
• Professor at Haliç University, Istanbul
• Completed advanced training at Mount Vernon Cancer Center, UK

Prof. Şeref Kömürcü is an ESMO-certified oncologist with over 20 years of experience, specializing in colorectal cancer treatment at Anadolu Medical Center.

• ECFMG and ESMO-certified – meets rigorous international standards
• Published 110+ papers on cancer management
• Professor at Gülhane Military Medical Academy
• Member of ASCO and ESMO – leading oncology societies

Dr. Rahib Hasanov specializes in gastrointestinal tumors, with a strong focus on personalized oncology treatments at Hisar Hospital Intercontinental.

• Medical Oncology fellowship from Marmara University Faculty of Medicine
• Uses cutting-edge immunotherapies and targeted therapies
• Observership at Houston Methodist Hospital in the USA
• Treats patients from diverse regions including Azerbaijan, Montenegro, and the US
• Focuses on colon, rectum, and stomach cancers

Dr. Mehmet Doğu Canoğlu is a radiation oncologist. He graduated from Kocaeli University Faculty of Medicine. He completed his residency in radiation oncology at Kocaeli University from 2006 to 2012.

He completed his compulsory service at Diyarbakır Training and Research Hospital. He then worked at Bağcılar Training and Research Hospital and at Medipol Mega University Hospital from 2015 to 2017. Since 2017, he has been a radiation oncologist at Anadolu Medical Center.

Prof. Dr. Sezer Saglam specializes in colorectal oncology at Florence Nightingale Hospital – one of Istanbul's leading cancer centers.

• Over 20 years of experience in medical oncology
• Trained at Istanbul University's Oncology Institute
• Member of ESMO, ASCO, and European Neuroendocrine Tumor Society
• Attending physician in Gastrointestinal Oncology since 2005