Kidney cancer Doctors Abroad — Page 2

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. Sezer Sağlam is a medical oncologist at Gayrettepe Florence Nightingale Hospital in Istanbul. He specializes in gastrointestinal oncology and the treatment of liver cancer. Dr. Sağlam was nominated for the International Best Researcher Award for his work on liver-transplanted patients. He has served as a professor of medical oncology since 2016.

• Member of the European Society for Medical Oncology (ESMO).
• Active member of the American Society of Clinical Oncology (ASCO).
• Member of the European Neuroendocrine Tumor Society (ENETS).
• Works at JCI-accredited facility with advanced PET-MRI and radiology departments.

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. Sefik Igdem is a radiation oncologist at Gayrettepe Florence Nightingale Hospital in Istanbul. He specializes in treating head, neck, and prostate cancers. He currently serves as a Professor at Demiroğlu Bilim University. Dr. Igdem uses Truebeam STx and Halcyon systems for accurate radiotherapy.

• Specializes in conformal treatments for complex tumor cases.
• Treats various conditions including lung, breast, and brain tumors.
• Practices at a JCI-accredited hospital that serves 200,000 patients annually.
• Completed his radiation oncology training at the Istanbul University Cerrahpaşa Faculty.

Dr. Sinan Karaaslan is a medical oncologist at Anadolu Medical Center in Istanbul. He specializes in treating breast, colorectal, and urogenital system cancers. Dr. Karaaslan brings clinical expertise from major institutions, including Medical Park and Gülhane Military Medical Academy. He works at a hospital affiliated with the Johns Hopkins Hospital.

• Holds personal certification from the European Society for Medical Oncology.
• Treats complex conditions, including stage 4 colon and lung cancers.
• Member of the Turkish Medical Oncology and Turkish Lung Cancer societies.
• Performs systemic therapies such as immunotherapy, targeted therapy, and chemotherapy.

Professor Serkan Keskin is a premier medical oncologist at Memorial Şişli Hospital who ranked first in Turkey's national medical oncology proficiency exams.

• Specialises in immunotherapy and targeted therapy to attack kidney cancer cells with precision
• Uses chemotherapy protocols tailored to the specific stage and subtype of the tumour
• Member of the American Society of Clinical Oncology (ASCO)
• Awarded for excellence in cancer research at the National Cancer Congress
• Fellowship trained at the Istanbul University Institute of Oncology

Dr. Mustafa Solak is a clinical oncologist at Hisar Hospital Intercontinental in Istanbul. He completed a fellowship at the prestigious Hacettepe University Cancer Institute. Dr. Solak previously practiced at The University of Texas MD Anderson Cancer Center. He treats a variety of complex cancers, including lung, breast, and gastrointestinal malignancies.

• Specializes in the treatment of testicular, ovarian, and head and neck cancers.
• Performs oncology procedures including chemotherapy, immunotherapy, and targeted therapy.
• Trained at Hacettepe University and Istanbul Sisli Etfal Training Hospital.
• Practices at a JCI-accredited facility that treats over 500,000 patients annually.

Dr. Mehmet Akif Ozturk is a medical oncology specialist at Memorial Şişli Hospital in Istanbul. He currently serves as a faculty member at Üsküdar University. Dr. Ozturk previously held a faculty position at Marmara University Pendik Training and Research Hospital. He treats patients at a JCI-accredited facility known for its high organ transplant success rates.

• Specializes in clinical oncology for local and international patients.
• Practices at Memorial Şişli, the first hospital in Turkey to earn JCI accreditation.
• Serves as a medical oncology specialist in Istanbul since 2018.
• Held specialist roles at several major Turkish medical centers throughout his career.

Professor Yesim Yildirim completed specialist immunotherapy training at London's Mount Vernon Cancer Centre, focusing specifically on kidney cancer and melanoma clinics.

• Specialises in immunotherapy and targeted therapies that use the body's immune system to attack cancer cells
• Holds an ESMO certification, the gold standard for medical oncology expertise in Europe
• Serves as a Professor at Halic University, teaching newer generations of oncologists
• Co-authored the 'Handbook of Advanced Cancer Care Treatment' and 80 other scientific publications

Assoc. Prof. Dr. Heves Sürmeli is a specialist in Internal Medicine and Medical Oncology. She received her medical degree (M.D.) from Eskişehir Osmangazi University in 2004. She completed her Internal Medicine residency at Kartal Dr. Lütfi Kırdar Training and Research Hospital, Istanbul (2005–2010). She then completed subspecialty training in Medical Oncology at the same hospital (2014–2017).

At the same center, she served as a Medical Oncology Specialist (2017–2023). She then worked as Administrative and Clinical Director (2023–2026). Her clinical interests include breast, lung, gynecologic, gastrointestinal, and urologic cancers.

She has published many articles in international peer‑reviewed journals. She has presented at national and international conferences. She is active in professional societies. She has received several awards.