| 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 | 33+ years | Liver resection, Chemotherapy for liver cancer | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #2 | 4.6 / 5 (235 reviews) | Istanbul, Turkey | 20+ years | Removal of colon cancer, Stomach cancer surgery | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #3 | 5.0 / 5 (0 reviews) | Warsaw, Poland | — | — | Plasmapheresis | — | — | — | |
| #4 | 5.0 / 5 (4 reviews) | Incheon, Republic of Korea | 26+ years | Tumor Marker Blood Test | — | — | Korean Institute for Healthcare Accreditation | ||
| #5 | 5.0 / 5 (2 reviews) | Bangkok, Thailand | — | — | Immunotherapy, Chemotherapy | — | — | ISO 9001:2015 Quality management systems | |
| #6 | 5.0 / 5 (3 reviews) | Istanbul, Turkey | 37+ years | Tumor Marker Blood Test | — | — | Joint Commission International | ||
| #7 | 4.6 / 5 (414 reviews) | Istanbul, Turkey | 25+ years | Immunotherapy with Keytruda (Pembolizumab), Thyroidectomy | — | — | International Organization for Standardization, Joint Commission International | ||
| #8 | 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 | ||
| #9 | 4.6 / 5 (172 reviews) | Vienna, Austria | 36+ years | Removal of duodenal polyp, Chemotherapy | — | — | International Organization for Standardization, World's Best Hospitals 2021 by Newsweek | ||
| #10 | 4.7 / 5 (484 reviews) | Barcelona, Spain | 41+ years23,000+ treatments | Radiotherapy for prostate cancer, Excision of skull base tumor | — | — | Joint Commission International , European Foundation for Quality Management |