Oncology Doctors in Turkey — Page 2

Dr. Onder Surgit is a professor of general surgery at Optimed International Hospital. He is a surgical instructor at the Advanced Medical Technologies Training Center (ITEM). Dr. Surgit treats cancer, obesity, and complex gastrointestinal conditions. He applies laparoscopic techniques for weight loss and tumor removal.

• Specializes in bariatric surgery including gastric sleeve, bypass, and balloon procedures.
• Performs oncological surgeries for breast, lung, stomach, and colon cancer.
• Served as a faculty member at Turgut Ozal and Atilim Universities.
• Works at AACI-accredited Optimed International Hospital in Tekirdag, Turkey.

Prof. Sezer Sağlam specializes in gastrointestinal oncology with over 27 years of experience, focusing on complex cases at Gayrettepe Florence Nightingale Hospital.

• Professor of Medical Oncology since 2016
• Fellowship-trained at Istanbul University – one of Turkey's top medical schools
• Member of ESMO, ASCO, and European Neuroendocrine Tumor Society
• Attending physician in Gastrointestinal Oncology at Istanbul University Oncology Institute

Professor Doctor Sefik Igdem specializes in radiation oncology, using advanced Truebeam Stx and Halcyons technologies for precise head and neck cancer treatments at Gayrettepe Florence Nightingale Hospital.

• Over 30 years of experience in radiation oncology
• Expert in conformal treatments for precise tumor targeting
• Professor at T.R. Demiroğlu Bilim University – trains future oncologists
• Specializes in minimizing side effects with advanced radiation techniques

Dr. Ayshe Okumush is a radiation oncologist at Private NeoLife Medical Center. She earned her MD from Karadeniz Technical University in 2003. She completed a residency in radiation oncology at Sisli Etfal Training and Research Hospital from 2006 to 2011.

She served as a specialist at Diyarbakir Uckuyular Training and Research Hospital from 2011 to 2013 and at Sisli Etfal from 2013 to 2016. She then worked at Yeni Yuzyil University Private Gaziosmanpasa Hospital from 2016 to 2026. She joined NeoLife in 2026.

Memberships: Turkish Society for Radiation Oncology (TROD) and the European Society for Radiotherapy and Oncology (ESTRO). Clinical focus: SRS, SRT, SBRT; VMAT, IMRT; radiotherapy for head and neck, lung, and brain tumors; SGRT, TBI, and 3D brachytherapy.

Dr. Mehmet Salih Iyikesici is a medical oncologist. His work focuses on metabolically supported chemotherapy (MSCT), ketogenic diet–supported cancer care, hyperthermia, hyperbaric oxygen therapy, and insulin potentiation therapy. He emphasizes care for breast, pancreatic, and gastric cancers.

He is a Medical Oncology Specialist at Neolife Medical Center (2026–present). He previously served at Private Bahçelievler Medical Park (2013–2026), Medicana Beylikdüzü (2010–2013), Silivri Anadolu (2009–2010), Diyarbakır Training and Research (2008–2009), and Bursa Çekirge State (2006–2008). Earlier, he worked as an Internal Medicine Specialist (1997–2003). He was an Assistant Professor at Altınbaş University (2014–2026).

Training: Medical Oncology subspecialty, Marmara University (2003–2006). Internal Medicine, Istanbul Haydarpaşa Numune (1992–1996). Medicine, Uludağ University (1985–1990). Member, Medical Oncology Association (since 2004). His recent research (2019–2020) covers gastric, breast, pancreatic, and lung cancers. Topics include long‑term survival in metastatic pancreatic cancer and feasibility in metastatic non‑small cell lung cancer (NSCLC).

Dr. Sinan Karaaslan has performed over 900 procedures, specializing in breast, colorectal, and urogenital cancers at Anadolu Medical Center.

• Board-certified in medical oncology with 29 years of focused experience
• Member of Turkish Medical Oncology Society and Lung Cancer Society
• Fellowship-trained at Istanbul University's Cerrahpaşa Medical School
• Expert in immunotherapy and targeted therapies for complex cases

Ranked 1st in Turkey's Medical Oncology Proficiency Exam – Dr. Keskin brings 25 years of expertise to personalized cancer therapy at Memorial Şişli Hospital.

• Performed 1,100+ procedures including advanced immunotherapy
• Pioneers genetic mapping with NGS analysis for tailored treatments
• Member of ASCO and ESMO – leading global oncology societies
• Awarded Best Poster at the National Cancer Congress

Prof. Dr. Tayfun Apuhan has over 200 scientific publications and trained in Head and Neck Surgery at The Ohio State University.

• Founder of the ENT department at Hisar Hospital Intercontinental
• Specializes in complex head and neck tumor surgeries with reconstructive techniques
• Expert in endoscopic and microscopic surgical procedures
• Trained in facial aesthetic surgery at University Medical Center Hamburg

Dr. Mustafa Solak specializes in gastrointestinal cancers, trained at Hacettepe University Cancer Institute and MD Anderson Cancer Center – a global leader in oncology.

• Completed fellowship at one of Turkey's top cancer institutes
• Handles complex cases including esophageal carcinoma
• Board-certified in medical oncology with extensive experience
• Works at Hisar Hospital Intercontinental – a JCI-accredited facility

Medical Oncology Specialist at Memorial Şişli Hospital with expertise in advanced cancer treatments.

• Faculty member at Üsküdar University's Internal Medicine Department
• Specializes in medical oncology with over 14 years of experience
• Works at one of Turkey's leading oncology centers

Over 2,500 MR-Linac radiotherapy sessions completed – Assoc. Prof. Turkkan is a pioneer in MRI-guided treatments at Hisar Hospital Intercontinental.

• Specializes in stereotactic and precision radiotherapy techniques
• Member of European Society of Radiotherapy and Oncology (ESTRO)
• Published 27 articles and led research at Maastricht University
• Associate Professor with ongoing TÜBİTAK research projects

Specializes in scarless V-Notes surgery for gynecologic cancers – Dr. Karakas performs this cutting-edge technique at Hisar Hospital Intercontinental.

• Expert in minimally invasive laparoscopic gynecologic oncology procedures
• Performs advanced uterine cancer surgeries with faster recovery
• Specializes in HPV diagnosis and treatment including colposcopy
• Focuses on fertility preservation in cancer cases

Dr. Akgun specializes in radiation oncology at Memorial Şişli Hospital, one of Turkey's leading medical centers.

• Over 23 years of experience in radiation oncology
• Works with advanced radiation therapy techniques
• Member of Turkish Radiation Oncology Society
• Previously trained at Marmara University Faculty of Medicine

Prof. Peker has performed over 400 pancreatic and gastric cancer surgeries – specializing in complex hepatopancreatobiliary procedures at Hisar Hospital Intercontinental.

• Trained at Mayo Clinic's hepatopancreatobiliary surgery unit
• Founder of a dedicated HPB surgery training unit in Turkey
• Holds additional doctorate in medical biology and aging
• Performs both open and endoscopic approaches

Professor Yesim Yildirim specializes in cancer immunotherapy and targeted therapies, with over 80 international publications and co-authorship in major oncology handbooks.

• Member of European Society of Medical Oncology (ESMO)
• Professor at Halic University, training future oncologists
• Specializes in breast, gastrointestinal, and lung cancers
• Trained at Mount Vernon Cancer Center in London

Dr. Mustafa Ozdogan is a professor and medical oncology specialist at Memorial Göztepe Hospital. He is the current President of the Antalya Breast Cancer Association. Dr. Ozdogan previously led oncology departments at Memorial Antalya and Medstar Antalya hospitals. He focuses on a multidisciplinary approach to complex cancer care.

• Sits on the board of the Turkish Society of Medical Oncology.
• Maintains active membership in ESMO and ASCO.
• Co-chairs the national working group for head and neck cancers.
• Works at Memorial Göztepe, which features MR Linac and robotic surgery systems.

Prof. Şeref Kömürcü is an ECFMG and ESMO-certified oncologist with 110+ published papers, specializing in breast, colorectal, and lung cancers at Anadolu Medical Center.

• 33 years of experience in medical oncology
• Professor at Gülhane Military Medical Academy
• Member of leading oncology societies including ASCO and ESMO
• Recipient of GATA Education and Teaching Success Awards