| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (521 reviews) | Istanbul, Turkey | — | — | Radiation therapy for colorectal cancer, Proton-beam therapy | — | — | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | |
| #2 | 5.0 / 5 (0 reviews) | Punta Cana, Dominican Republic | — | — | PET/CT in lymphoma | — | — | — | |
| #3 | 4.6 / 5 (473 reviews) | Istanbul, Turkey | — | — | Thyroid resection , Lobectomy | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | |
| #4 | 4.5 / 5 (55 reviews) | Frankfurt am Main, Germany | 36+ years | Immunotherapy, Chemotherapy for stomach cancer | — | — | TÜV AG Сompany Research & Investing Certificate, TOP German hospital according to 2019 Focus ranking | ||
| #5 | 4.6 / 5 (17 reviews) | Guangzhou, China | — | — | Chemoembolization of the liver, Immunotherapy | — | — | — | |
| #6 | 5.0 / 5 (3 reviews) | Cologne, Germany | — | — | Radiation therapy for colorectal cancer, Radiation therapy for brain tumor | — | — | — | |
| #7 | 4.6 / 5 (128 reviews) | Bangkok, Thailand | — | — | CyberKnife for brain tumor, Brain tumor removal | — | — | International Organization for Standardization, Joint Commission International | |
| #8 | 4.6 / 5 (82 reviews) | Antalya , Turkey | — | — | PET/CT in lymphoma | — | — | Turkish Medical Association, Straumann® Dental Implant System Official Provider | |
| #9 | 4.2 / 5 (34 reviews) | Istanbul, Turkey | 36+ years | Thyroidectomy, Nephrectomy | — | — | The Baby-friendly Hospital Initiative (BFHI) by WHO and UNICEF, Turkish Medical Association | ||
| #10 | 4.8 / 5 (6 reviews) | Seoul, Republic of Korea | — | 32,000+ treatments | Craniotomy, Radiosurgery of a brain tumor | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek |