| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (364 reviews) | Istanbul, Turkey | 25+ years | Radiotherapy, IMRT, TrueBeam STx | Precise tumor targeting | Uses advanced TrueBeam STx and IMRT for accurate tumor irradiation. Follows international NCCN and ESMO protocols. JCI-accredited with a strong oncology department. | International Organization for Standardization, Joint Commission International | ||
| #2 | 4.6 / 5 (517 reviews) | Istanbul, Turkey | 20+ years | CyberKnife, Truebeam, Varian Edge | Precise stomach tumor targeting | Uses CyberKnife and Truebeam for sub-millimeter accuracy, minimizing damage to healthy tissue. Partners with Johns Hopkins for treatment standards. Over 3,000 oncology procedures performed. | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #3 | 4.6 / 5 (220 reviews) | Istanbul, Turkey | 20+ years | MRI of one area, Colonoscopy | — | — | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #4 | 4.7 / 5 (441 reviews) | Barcelona, Spain | 26+ years23,000+ treatments | IMRT (intensity-modulated radiotherapy), radiosurgery | Stage III-IV stomach cancer | Offers targeted irradiation methods to slow tumor growth and relieve symptoms. Provides personalized treatment plans, including combined options like immunotherapy when needed. Clinic has JCI accreditation with high patient recommendation rates. | Joint Commission International , European Foundation for Quality Management | ||
| #5 | 4.6 / 5 (473 reviews) | Istanbul, Turkey | — | — | Colonoscopy, MRI of one area | — | — | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | |
| #6 | 4.6 / 5 (136 reviews) | Istanbul, Turkey | — | — | Genetic screening, CT (computer tomography) | — | — | International Organization for Standardization, Joint Commission International | |
| #7 | 4.5 / 5 (0 reviews) | Madrid, Spain | — | — | Radiation therapy for stomach cancer | — | — | Joint Commission International , International Organization for Standardization | |
| #8 | 4.6 / 5 (17 reviews) | Guangzhou, China | 30+ years | PET/CT, CT (computer tomography) | — | — | — | ||
| #9 | 5.0 / 5 (3 reviews) | Cologne, Germany | — | — | CT (computer tomography), PET/CT | — | — | — | |
| #10 | 4.5 / 5 (2 reviews) | Istanbul, Turkey | 15+ years | Radiation therapy for stomach cancer, Colonoscopy | — | — | Joint Commission International |