Specializations
Cancer Surgery
Pancreatic Surgery
Bile Duct Surgery
Bariatric Metabolic Surgery
Oncological Surgery
Breast Surgery
Gastric cancer
Colon cancer
Thyroid Cancer
Obesity Surgery
Diabetes Surgeries
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. 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).
Assoc. Prof. Ayşe İrem Yasin, M.D., is a medical oncologist who specializes in solid tumors. Her clinical focus includes breast, lung, gastrointestinal, gynecologic, and urologic cancers. She also treats brain and other CNS tumors, soft tissue sarcomas, head and neck cancers, adenocarcinomas, melanoma, Merkel cell carcinoma, and cancers of unknown primary. She practices at Medipol Acıbadem District Hospital (2025–present). She previously worked at Şişli Etfal Training and Research Hospital (2023–2025).
She completed a Medical Oncology fellowship at Bezmialem Vakıf University (2019–2022). This followed an Internal Medicine residency at the same institution (2012–2016). Her international experience includes the Breast Cancer Unit at the University of Piemonte Orientale in Novara (2022). She also trained at Basel University Hospital, Cleveland Clinic, and Harvard Medical School. She holds the ESMO Board Certificate (2022).
Dr. Duygu Derin is an experienced medical oncologist who specializes in treating gastrointestinal cancers, lung cancer, and gynecologic neoplasms. She is a member of several oncology associations and has published more than 30 national and international scientific papers. She graduated from Galatasaray Medical High School and achieved a Medical Doctor rank from the Medical Faculty of Istanbul University. She has completed internships and professional development courses in various hospitals and holds the title of Associate Professor.
Dr. Murat Ayhan is an Associate Professor of Medical Oncology since 2023. He is an expert in breast, lung, colorectal, gynecological, and urogenital cancers. He focuses on modern cancer treatments such as immunotherapy, smart drugs, targeted therapies, and molecular oncology. Dr. Ayhan provides personalized care based on the latest scientific research.
He is the principal investigator in several global Phase II and III oncology trials. These include studies on GDC-9545, Palbociclib, Atezolizumab, and Apalutamide. Dr. Ayhan has published over 25 articles in international journals. His research covers COVID-19’s effects on cancer patients, drug desensitization, and real-world treatment results.
He is an active member of ESMO and TTOD. Dr. Ayhan has also contributed to oncology reference books on tyrosine kinase inhibitors and oncological emergencies. His work helps advance cancer care for future generations.
Assist. Prof. Meltem TOPALGÖKÇELİ SELAM M.D. is a Medical Oncologist with a focus on Gastrointestinal System and Ovary Cancers. She has extensive experience working in various medical institutions, including the Liv Hospital, Ministry of Health Okmeydanı Training and Research Hospital, and Istanbul Faculty of Medicine. She is a member of the Turkish Medical Oncology Society, the Istanbul Breast Cancer Research Group, and the Alumni Association for Üsküdar American Academy for Girls.
Dr. Elnur Sahibov is a licensed Radiation Oncologist with 8 years of medical training and clinical experience. He completed his undergraduate and specialization studies at Marmara University Faculty of Medicine. From 2012 to 2016, he focused on advanced radiation oncology techniques.
Dr. Sahibov is known for his expertise in cancer treatment. He has helped improve patient outcomes and uses evidence-based protocols. He is accredited by leading medical institutions and is dedicated to ongoing professional development in oncology.
Associate Professor Dr. Emrah Eraslan graduated from Ankara University Faculty of Medicine in 2005. From 2006 to 2011, he worked as a research assistant in the Department of Internal Medicine at Ankara University Faculty of Medicine and became an internal medicine specialist in 2011. Between 2011 and 2013, he worked as an internal medicine specialist and chief physician at Dr. Nafiz Körez Sincan State Hospital and Palu District State Hospital. From 2013 to 2016, he received medical oncology training at Dr. Abdurrahman Yurtaslan Ankara Oncology Education and Research Hospital and worked there until 2021. In 2023, he became an associate professor and contributed to his field with his publications throughout his career. He currently serves his patients at Koru Ankara Hospital. His medical interests include:
Breast Cancer
Prostate Cancer
Lung Cancer
Colorectal Cancer
Stomach Cancer
Ovarian Cancer
He is Ear – Nose – Throat and Head and Neck Surgery Specialist. In 1974 he graduated from Ankara Ataturk High School. After he finished preparatory class in English for 1 year in ODTU, he won Hacettepe University Eskisehir Medical Faculty.
In 1980 he finished Hacettepe University Eskisehir Medial Faculty. In 1984 he got his career education in the department of ENT in Hacettepe University Medical Center. He served his military service in Ankara Mevki Hastanesi as an ENT Specialist, in 1986 he began his conscription in state of Ordu Government Hospital.
He worked in Izmir Atatürk Education and Research Hospital as chief intern in 1989, as a chef assistant in 1991, as an instructor in 1994 and worked there till June 2008. On June 20088, he worked in Namik Kemal University Medical Faculty in head of the department of ENT, Head of Department of Surgical Medical and worked as a Medical Faculty member of University Senate finally, he resigned on August in 2010.
Dr. Tolga Akman is a urologist with expertise in advanced surgical procedures. He performs penis prosthesis, bladder, prostate, and kidney cancer surgeries. He is skilled in laparoscopic urology and kidney stone treatments. Dr. Akman also treats female urinary incontinence, pediatric vesicoureteral reflux, and performs microsurgical varicocele procedures. He offers penis enlargement and correction of Peyronie’s disease.
Dr. Akman completed his residencies at Istanbul University School of Medicine and Bezmialem Vakıf University. He is now a Professor of Medicine at Medicana Hospital Bahcelievler. He is active in both clinical practice and academic work in urology.
Dr. Ersin Öztürk, M.D., is a Professor of Medicine and an expert in General Surgery. His specialties include Surgical Oncology, Gastrointestinal and Laparoscopic Surgery, Obesity Surgery, Hernia Surgery, and Proctology. He holds a Ph.D. in Physiology. Dr. Öztürk completed his residency at Uludağ University and later conducted advanced research at the Cleveland Clinic Foundation in the USA.
He is currently a Professor at Medicana Bursa Hospital. Dr. Öztürk has also served as Assistant and Associate Professor at Uludağ University and as Professor at KTO Karatay University. He is known for his important work in surgical innovation and medical education in Turkey.
Assoc. Dr. Ugur Ekici is a General Surgeon with over 20 years of experience. He specializes in obesity and metabolic surgery, advanced laparoscopic surgery, thyroid and parathyroid surgery, and cancer surgery.
He graduated from Erciyes University Faculty of Medicine in 2000. He completed his specialty training at Şişli Etfal Hospital General Surgery Clinic in 2009. Dr. Ekici has published many articles in international journals. He is known for his expertise and high success rates in complex surgeries. His work has made important contributions to his field.