| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.9 / 5 (55 reviews) | Istanbul, Turkey | — | — | Immunotherapy, Nephrectomy | — | — | Turkish Medical Association, International Health Tourism Authorization Certificate | |
| #2 | 4.6 / 5 (534 reviews) | Istanbul, Turkey | — | — | Liver resection, Chemotherapy for liver cancer | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | |
| #3 | 4.6 / 5 (235 reviews) | Istanbul, Turkey | 20+ years | Removal of colon cancer, Stomach cancer surgery | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #4 | 4.6 / 5 (142 reviews) | Antalya , Turkey | — | — | Pituitary tumor surgery, Brain tumor removal | — | — | Joint Commission International | |
| #5 | 4.6 / 5 (152 reviews) | Istanbul, Turkey | — | — | Removal of spinal cord tumor, Immunotherapy with Keytruda (Pembolizumab) | — | — | International Organization for Standardization, Joint Commission International | |
| #6 | 4.5 / 5 (495 reviews) | Istanbul, Turkey | — | — | Bone marrow transplantation, The Wertheim-Meigs operation | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | |
| #7 | 4.5 / 5 (54 reviews) | Istanbul, Turkey | — | — | Resection of glioma, Hysterectomy (uterus removal) | — | — | Joint Commission International | |
| #8 | 4.4 / 5 (33 reviews) | Istanbul, Turkey | — | — | Stomach cancer surgery, Radiotherapy for throat cancer | — | — | International Organization for Standardization, Joint Commission International | |
| #9 | 5.0 / 5 (1 review) | Istanbul, Turkey | — | — | Сomplex oncology diagnostic | — | — | International Organization for Standardization, Joint Commission International | |
| #10 | 4.2 / 5 (19 reviews) | Istanbul, Turkey | 2016+ years | Lobectomy, Immunotherapy with Keytruda (Pembolizumab) | — | — | Best clinic for radiotherapy, Best price for PET/CT |