| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (539) | Istanbul, Turkey | — | — | Radiation therapy for brain tumor, CyberKnife | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | |
| #2 | 5.0 / 5 (57) | Istanbul, Turkey | — | — | Brain tumor removal, Radiotherapy | — | — | Joint Commission International , International Organization for Standardization | |
| #3 | 4.7 / 5 (161) | Istanbul, Turkey | — | — | Bone marrow transplantation, Stereotaxic radiosurgery | — | — | International Organization for Standardization, Joint Commission International | |
| #4 | 5.0 / 5 (1) | Istanbul, Turkey | — | — | Sarcoma Immunotherapy | — | — | International Organization for Standardization, Joint Commission International | |
| #5 | 4.4 / 5 (34) | Istanbul, Turkey | — | — | Allogenic bone marrow transplantation from a related donor, Allogenic bone marrow transplantation from an unrelated donor | — | — | International Organization for Standardization, Joint Commission International | |
| #6 | 4.5 / 5 (495) | Istanbul, Turkey | — | — | Bone marrow transplantation, Brain tumor removal | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | |
| #7 | 4.1 / 5 (42) | Istanbul, Turkey | 34+ years | Stereotaxic radiosurgery, Autologous bone marrow transplantation | — | — | The Baby-friendly Hospital Initiative (BFHI) by WHO and UNICEF, Turkish Medical Association |