| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (534 reviews) | Istanbul, Turkey | 49+ years3,000+ treatments | Allogenic bone marrow transplantation from an unrelated donor, Leukemia chemotherapy | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #2 | 4.6 / 5 (415 reviews) | Istanbul, Turkey | — | — | Radiotherapy, Tomotherapy | — | — | International Organization for Standardization, Joint Commission International | |
| #3 | 4.6 / 5 (236 reviews) | Istanbul, Turkey | 33+ years | Transnasal resection of tumor, Radiotherapy | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #4 | 4.6 / 5 (145 reviews) | Antalya , Turkey | — | — | Brain tumor removal, Allogenic bone marrow transplantation from a related donor | — | — | Joint Commission International | |
| #5 | 4.6 / 5 (152 reviews) | Istanbul, Turkey | — | — | Radiation Therapy for Sarcomas, Allogenic bone marrow transplantation from a related donor | — | — | International Organization for Standardization, Joint Commission International | |
| #6 | 4.7 / 5 (484 reviews) | Barcelona, Spain | 27+ years23,000+ treatments | Excision of skull base tumor, CyberKnife | — | — | Joint Commission International , European Foundation for Quality Management | ||
| #7 | 5.0 / 5 (1 review) | Madrid, Spain | — | — | Bone marrow biopsy | — | — | Joint Commission International , International Organization for Standardization | |
| #8 | 4.6 / 5 (20 reviews) | Baku, Azerbaijan | 24+ years | Brain tumor surgery, Chemotherapy | — | — | Joint Commission International , Patient choice for Check-up | ||
| #9 | 4.5 / 5 (165 reviews) | Tel Aviv, Israel | 41+ years34,000+ treatments | CyberKnife for brain tumor, Autologous bone marrow transplantation | — | — | World's Best Smart Hospitals 2021 by Newsweek, World's Best Hospitals 2021 by Newsweek | ||
| #10 | 4.9 / 5 (55 reviews) | Istanbul, Turkey | 25+ years | Pituitary tumor surgery, Transnasal resection of tumor | — | — | Turkish Medical Association, International Health Tourism Authorization Certificate |