Immunotherapy Doctors Abroad — Page 2

Uzm. Dr. Erkan Göcen is a Radiation Oncology Specialist at Çerkezköy Private Optimed Hospital (Optimed Health Group). He graduated from İstanbul University, İstanbul Faculty of Medicine (Çapa) in 2003.

Career: He trained and practiced in Radiation Oncology from 2010 to 2012. He worked in public and private health institutions from 2012 to 2016. He served in the private medical sector as a Radiation Oncology Specialist from 2016 to 2023. He has been at Optimed Hospital since 2024.

Clinical interests: cancers of the brain, head and neck, esophagus, stomach, colorectal, pancreas, prostate, bladder, lung, soft tissues (sarcomas), skin, uterus and cervix, and breast. Affiliations: Turkish Society for Radiation Oncology (TROD) and Tekirdağ Medical Chamber. Languages: English and Turkish.

Dr. Maha Yahia is a medical and hemato-oncologist at Shefaa Al Orman International Oncology Hospitals. She served as a Lieutenant Colonel physician in the Egyptian Armed Forces Medical Corps. Dr. Yahia specializes in treatment planning for breast, thoracic, and gastrointestinal cancers. She focuses on immunotherapy, targeted therapy, and complex chemotherapy protocols.

• Former Head of the Clinical Research Support Team at Maadi AFMC.
• Trained at the National Cancer Institute, Cairo University, in hemato-oncology.
• Treats genitourinary, gynecologic, and rare cancers alongside hematologic conditions.
• Works at an ESMO-accredited center that treats 6,000 patients annually.

Dr. Pastrana is a board-certified surgical oncologist with expertise in immunotherapy at Galenia Hospital.

• Certified by Conacem – Mexico's leading medical accreditation body
• Active member of SMEO (Mexican Society of Oncology)
• University professor at Universidad Anahuac since 2020
• Title holder from Universidad Autónoma de México

Dr. Atakan Topcu is a medical oncologist at Medipol Acibadem District Hospital in Istanbul. He specializes in treating solid tumors including lung, breast, and colorectal cancers. Dr. Topcu is an Associate Professor with over 50 peer-reviewed scientific publications. He sits on the Editorial Board of the medical journal BMC Cancer.

• Expertise in immunotherapy, targeted therapies, and geriatric oncology care.
• Treats cancer-related malnutrition, cachexia, and sarcopenia.
• Maintains active membership in the European Society for Medical Oncology (ESMO).
• Works at a JCI-accredited hospital specializing in advanced oncology treatments.

Dr. Ayşe İrem Yasin is a medical oncologist at Medipol Acıbadem District Hospital in Istanbul. She holds a prestigious ESMO Board Certificate. Dr. Yasin specializes in solid tumors, including breast, lung, and gastrointestinal cancers. She treats complex cases such as Merkel cell carcinoma and cancers of unknown primary.

• Trained at Harvard Medical School, Cleveland Clinic, and Basel University Hospital.
• Completed a clinical observership at the Breast Cancer Unit in Novara, Italy.
• Treats brain and CNS malignancies, soft tissue sarcomas, and urologic cancers.
• Works at a JCI-accredited facility equipped with the da Vinci robotic system.