| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (156 reviews) | Vienna, Austria | 44+ years | Gastric polyps removal, Chemotherapy | — | — | International Organization for Standardization, World's Best Hospitals 2021 by Newsweek | ||
| #2 | 4.5 / 5 (156 reviews) | Tel Aviv, Israel | 41+ years34,000+ treatments | Biological therapy, Оophorectomy | — | — | World's Best Smart Hospitals 2021 by Newsweek, World's Best Hospitals 2021 by Newsweek | ||
| #3 | 4.6 / 5 (517 reviews) | Istanbul, Turkey | 49+ years3,000+ treatments | Radiofrequency ablation of the liver, Excision of skull base tumor | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #4 | 4.7 / 5 (441 reviews) | Barcelona, Spain | 28+ years23,000+ treatments | Proton-beam therapy, Mohs microsurgery | — | — | Joint Commission International , European Foundation for Quality Management | ||
| #5 | 4.7 / 5 (361 reviews) | Istanbul, Turkey | — | — | Thyroidectomy, Whipple surgery | — | — | International Organization for Standardization, Joint Commission International | |
| #6 | 4.6 / 5 (218 reviews) | Istanbul, Turkey | 20+ years | Throat cancer operation, Removal of spinal cord tumor | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #7 | 4.6 / 5 (66 reviews) | Milan, Italy | — | 8,000+ treatments | Chemotherapy, Immunotherapy | — | — | Scientific Institute for Research and Healthcare Accrediatation, World's Best Hospitals 2021 by Newsweek | |
| #8 | 3.8 / 5 (8 reviews) | Vienna, Austria | — | — | Chemotherapy | — | — | — | |
| #9 | 4.6 / 5 (136 reviews) | Istanbul, Turkey | — | — | Allogenic bone marrow transplantation from a related donor, Radioiodine therapy | — | — | International Organization for Standardization, Joint Commission International | |
| #10 | 4.5 / 5 (52 reviews) | Frankfurt am Main, Germany | 36+ years | Lung cancer surgery, Chemotherapy for stomach cancer | — | — | TÜV AG Сompany Research & Investing Certificate, TOP German hospital according to 2019 Focus ranking |