| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (441 reviews) | Barcelona, Spain | — | 23,000+ treatments | Complex treatment of Ewing's sarcoma, Lymphadenectomy | — | — | Joint Commission International , European Foundation for Quality Management | |
| #2 | 4.6 / 5 (130 reviews) | Hamburg, Germany | — | — | Stomach cancer surgery, Brachytherapy for prostate cancer | — | — | International Organization for Standardization, Medical Travel Quality Alliance | |
| #3 | 4.6 / 5 (516 reviews) | Istanbul, Turkey | 49+ years3,000+ treatments | Lumpectomy , Lung cancer surgery | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #4 | 4.3 / 5 (16 reviews) | Hamburg, Germany | — | — | Chemotherapy, Immunotherapy | — | — | International Organization for Standardization, Medical Travel Quality Alliance | |
| #5 | 4.0 / 5 (1 review) | Hamburg, Germany | — | — | Chemotherapy, Hysterectomy (uterus removal) | — | — | World's Best Hospitals 2021 by Newsweek | |
| #6 | 4.6 / 5 (473 reviews) | Istanbul, Turkey | — | — | Stem Cell Therapy, Gamma Knife for brain tumor | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | |
| #7 | 4.5 / 5 (156 reviews) | Tel Aviv, Israel | 24+ years34,000+ treatments | Radiation therapy for colorectal cancer, Distal Pancreatectomy | — | — | World's Best Smart Hospitals 2021 by Newsweek, World's Best Hospitals 2021 by Newsweek | ||
| #8 | 4.8 / 5 (180 reviews) | Istanbul, Turkey | — | — | Mastectomy, Laser surgery | — | — | Certification according to DIN EN ISO 9001 by TÜV NORD CERT, Joint Commission International | |
| #9 | 5.0 / 5 (55 reviews) | Istanbul, Turkey | — | — | Mastectomy, Robotic da Vinci prostatectomy | — | — | Joint Commission International , International Organization for Standardization | |
| #10 | 5.0 / 5 (1 review) | Istanbul, Turkey | — | — | Brain tumor removal, Mastectomy | — | — | Joint Commission International |