| 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 | 4.9 / 5 (8 reviews) | Ankara, Turkey | — | — | Consultation with a hematologist | — | — | International Health Tourism Authorization Certificate, International Organization for Standardization | |
| #3 | 4.7 / 5 (485 reviews) | Barcelona, Spain | — | 23,000+ treatments | Excision of skull base tumor, CyberKnife | — | — | Joint Commission International , European Foundation for Quality Management | |
| #4 | 4.6 / 5 (153 reviews) | Istanbul, Turkey | — | — | Radiation Therapy for Sarcomas, Allogenic bone marrow transplantation from a related donor | — | — | International Organization for Standardization, Joint Commission International | |
| #5 | 4.5 / 5 (165 reviews) | Tel Aviv, Israel | 24+ 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 | ||
| #6 | 4.5 / 5 (57 reviews) | Frankfurt am Main, Germany | 41+ years | Brain tumor removal, CyberKnife | — | — | TÜV AG Сompany Research & Investing Certificate, TOP German hospital according to 2019 Focus ranking | ||
| #7 | 4.6 / 5 (236 reviews) | Istanbul, Turkey | — | — | Transnasal resection of tumor, Radiotherapy | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | |
| #8 | 3.8 / 5 (6 reviews) | Madrid, Spain | — | — | Allogenic bone marrow transplantation from an unrelated donor, Allogenic bone marrow transplantation from a related donor | — | — | World's Best Hospitals 2021 by Newsweek | |
| #9 | 4.6 / 5 (415 reviews) | Istanbul, Turkey | — | — | Radiotherapy, Tomotherapy | — | — | International Organization for Standardization, Joint Commission International | |
| #10 | 4.6 / 5 (145 reviews) | Antalya , Turkey | — | — | Brain tumor removal, Allogenic bone marrow transplantation from a related donor | — | — | Joint Commission International |