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
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. 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.
NUTRITION AND DIET SPECIALIST
Ezgi Sevic graduated from Hacettepe University, Department of Nutrition and Dietetic as Honor Student. During her education, she conducted studies on “'The Effect of Hedonic Eating Behavior on Obesity', 'Total Parenteral Nutrition in Children' and 'The Relationship Between Insulin Resistance and Obesity'.” During her education, she took part in the field in studies on determining the nutritional status of the society. She worked as intern dietitian in Hospitals of Hacettepe University (Oncology Hospital, Adults Hospital, İhsan Doğramacı Child Hospital), Dışkapı Yıldırım Beyazıt Training and Research Hospital and many Community Health Centres.
She worked in Izmir Private Ekol Hospital. She successfully completed the 'Bariatric Nutrition Course' and the 'Innovations in Obesity Course'. She has participated in many training and seminar programs in her field.
Interests: Post- Metabolic and Bariatric Surgery Nutrition, the Nutrition in Chronicle Diseases, Nutrition in Individuals with Diabetes, Nutrition in Cancer, Nutrition in Congenital Metabolic Diseases, Food Intolerances, Body Weight Control, Child and Adolescent Nutrition, Nutrition in Old Age, Nutrition in Pregnancy and Lactation.
Dietit. Ezgi Sevic knows advanced English.
Areas of Interests
Cumhuriyet University Faculty of Medicine, 2004
Istanbul Haydarpaşa Training and Research Hospital Internal Medicine Residency, 2010
Karadeniz Technical University Faculty of Medicine Medical Oncology Residency, 2015
MD Andeson Cancer Center, USA, 2008
Sunnybrook Odette Cancer Center Breast Cancer Clinic, Canada, 2017
Moffit Cancer Center , USA 2022
Istanbul Haydarpaşa Training and Research Hospital Internal Medicine, 2010
İdil State Hospital Internal Medicine Clinic, 2011
Karadeniz Technical Universityniversitesi Faculty of Medicine, Medical Oncology Clinic, 2015
Istanbul Göztepe Training and Research Hospital, Medical Oncology Clinic, 2018
Yeniyüzyıl University Gaziosmanpaşa Hospital, Medical Oncology Clinic, 2020
Ataşehir Medicana Hospital, Medical Oncology Clinic, 2022
Turkish Medical Association (TTB)
Turkish Society of Medical Oncology (TTOD)
European Society for Medical Oncology (ESMO)
American Society of Medical Oncology (ASCO)
Medical Intrests
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
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.
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.
Dr. Kayihan Engin is a Radiation Oncologist. He earned his medical degree from Uludağ University Medical College in 1983. He completed his residency in Radiation Oncology at the Center of Oncology & Nuclear Medicine in Istanbul in 1990. From 1990 to 1994, he pursued a post-doctoral fellowship in Thermoradiotherapy at Thomas Jefferson University in the USA.
Dr. Engin has held key academic and leadership roles. He served as Professor, Chairman, and Faculty Accreditation Coordinator at Uludağ University Medical College from 1991 to 2005. He was also Professor and Director at Anadolu Medical Center between 2004 and 2017. Since 2017, he has led the Oncological Sciences departments at Ceylan International and Medicana Bursa Hospitals. Dr. Engin is known for his work in improving cancer treatment and medical education standards in Turkey.
Medical Interests and Activities
• Gastrointestinal diseases
• Oncologic laparoscopic surgery
• Anorectal area diseases
• Urgent surgical cases (acute cholecystitis, divertikülit, ileus, pankreatit, appendicitis)
• Colon and rectum cancer
• Treatment of oncologic surgical cases with further laparoscopic and robotic surgery. • Laparoskopik hernia surgery
• Esophagus and stomach cancer
• Selim anorectal diseases (hemorrhoidal disease, anal fissure), perianal fistula, pilonoidal sinus (hairless- non-surgical treatment)
Education and Experience
• İstanbul University Medical Faculty 1988 • University of Colorado Health Science Center – Intern Surgeon
• Isparta, Dedeçam Şehit Ramazan Karaca Health Center (1995-1996) • İstanbul Surgery Hospital – American Hospital (2000-2001)
• Chief assistant Istanbul Medical Faculty, Department of General Surgery (2001-2008) • World Congress on Peritonel Surface Malignancies (HIPEC course) Berlin, Germany (2012)
• USC Keck School of Medicine, Los Angeles, CA, USA (2006-2007)
• Assoc. Prof. M.D. , İstanbul Medical Faculty General Surgery (2008-2014)
• Da Vinci Robotic Intensive Course at IRCAD, Strasbourg, France (2011)
• Stony Brook Medicine Cadaver Training Event in Colon and Rectal Surgery, New York, USA (2016) (Instructor)
• Fellow of the European Board of Surgery- Emergency Surgery (FEBS EmSurg) Honorary Diploma (2017)
• Prof. M.D. , İstanbul Medical Faculty General Surgery (2014 -2017)
• İstanbul University Medical Faculty – General Surgery Master of Science 1996
• University of Southern California Medical Center, Department of General Surgery, Los Angeles, USA – February 2006 – February 2007
Scientific Publications • Endoscopic Laparoscopic & Minimal Invasive Surgery Journal Editorial Board / National Scientific Committee • UTACD Assist. Editor