| 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 | — | — | Liver resection, Chemotherapy for liver cancer | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | |
| #2 | 4.7 / 5 (485 reviews) | Barcelona, Spain | 43+ years23,000+ treatments | Radiotherapy for prostate cancer, Excision of skull base tumor | — | — | Joint Commission International , European Foundation for Quality Management | ||
| #3 | 4.5 / 5 (165 reviews) | Tel Aviv, Israel | 38+ years34,000+ treatments | Da Vinci Robotic System, CyberKnife for brain tumor | — | — | World's Best Smart Hospitals 2021 by Newsweek, World's Best Hospitals 2021 by Newsweek | ||
| #4 | 4.5 / 5 (495 reviews) | Istanbul, Turkey | 27+ years | Bone marrow transplantation, The Wertheim-Meigs operation | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | ||
| #5 | 5.0 / 5 (1 review) | Madrid, Spain | — | — | Consultation of a radiologist | — | — | Joint Commission International , International Organization for Standardization | |
| #6 | 4.6 / 5 (236 reviews) | Istanbul, Turkey | 20+ years | Removal of colon cancer, Stomach cancer surgery | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #7 | 4.6 / 5 (172 reviews) | Vienna, Austria | — | — | Chemotherapy, Gastric polyps removal | — | — | International Organization for Standardization, World's Best Hospitals 2021 by Newsweek | |
| #8 | 4.6 / 5 (153 reviews) | Istanbul, Turkey | — | — | Removal of spinal cord tumor, Immunotherapy with Keytruda (Pembolizumab) | — | — | International Organization for Standardization, Joint Commission International | |
| #9 | 3.8 / 5 (6 reviews) | Madrid, Spain | — | — | Liver resection, Robotic da Vinci prostatectomy | — | — | World's Best Hospitals 2021 by Newsweek | |
| #10 | 4.7 / 5 (65 reviews) | Solingen, Germany | — | — | Rectal resection, Radiofrequency ablation | — | — | Best doctor for herniated disc treatment, German Cancer Society |