| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (514 reviews) | Istanbul, Turkey | 22+ years | Brachytherapy, CyberKnife, robot-assisted surgery, immunotherapy, targeted therapy | Adenocarcinoma with complex or metastatic cases | Affiliated with Johns Hopkins Medicine, offers advanced radiation therapy with CyberKnife and Truebeam, and provides personalized treatment plans using immunotherapy and targeted therapy. | International Organization for Standardization, Joint Commission International | ||
| #2 | 4.7 / 5 (353 reviews) | Istanbul, Turkey | 25+ years | Brachytherapy, CyberKnife, chemotherapy, targeted therapy, immunotherapy, surgical removal | Late-stage with metastases | Offers tumor genotyping for mutations (KRAS, NRAS, BRAF), MSI and PD-L1 testing. Uses TrueBeam STx and IMRT radiotherapy with high accuracy. Accredited by JCI and ISO. | International Organization for Standardization, Joint Commission International | ||
| #3 | 4.6 / 5 (473 reviews) | Istanbul, Turkey | 76+ years | Brachytherapy, CyberKnife, chemotherapy, tumor resection, HIPEC | Advanced or metastatic adenocarcinoma | JCI-accredited oncology hospital with CyberKnife and brachytherapy. Offers HIPEC for peritoneal metastases. Handles 80 surgeries daily, including complex oncologic cases. | Joint Commission International , Patient choice in Pediatric Oncology & Hematology Oncology | ||
| #4 | 4.7 / 5 (131 reviews) | Istanbul, Turkey | — | — | Brachytherapy, CyberKnife, chemotherapy, immunotherapy, HIFU, molecular-genetic analysis | Metastatic adenocarcinoma cases | Offers advanced radiation therapies like CyberKnife and brachytherapy. Provides personalized treatment plans based on molecular-genetic analysis. JCI-accredited facility with specialized oncology department. | International Organization for Standardization, Joint Commission International | |
| #5 | 4.5 / 5 (51 reviews) | Istanbul, Turkey | — | — | Brachytherapy, CyberKnife, chemotherapy | Patients needing precise radiation therapy | Offers advanced brachytherapy and CyberKnife for targeted tumor treatment. JCI accredited with a team experienced in oncology procedures. | Joint Commission International | |
| #6 | 4.6 / 5 (209 reviews) | Istanbul, Turkey | 20+ years | Brachytherapy, CyberKnife, immunotherapy, gastrectomy with D2 lymphadenectomy, splenectomy | Advanced gastrointestinal cancers | Offers advanced radiation oncology and surgical techniques. Doctors have performed 400+ pancreatic and gastric cancer surgeries. JCI-accredited for safety and quality. | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #7 | 5.0 / 5 (52 reviews) | Istanbul, Turkey | 35+ years | Brachytherapy, CyberKnife, robotic-assisted surgery, chemotherapy, immunotherapy | Complex gastrointestinal adenocarcinoma cases | Offers precision radiation therapies like CyberKnife and brachytherapy. Medical oncologist specializes in gastrointestinal cancers. JCI-accredited facility with robotic surgery capabilities. | Joint Commission International , International Organization for Standardization | ||
| #8 | 4.6 / 5 (126 reviews) | Antalya , Turkey | 26+ years | Brachytherapy, CyberKnife, chemotherapy, targeted therapy, radiotherapy | High-grade adenocarcinoma cases | Follows NCCN and ESMO protocols with advanced radiotherapy like TrueBeam STx. Offers comprehensive genetic testing for personalized treatment plans. | Joint Commission International | ||
| #9 | 5.0 / 5 (1 review) | Istanbul, Turkey | — | — | — | — | — | — | |
| #10 | 4.9 / 5 (53 reviews) | Istanbul, Turkey | 23+ years | Brachytherapy, CyberKnife, Chemotherapy | Advanced or metastatic tumors | Offers specialized radiation therapies (Brachytherapy, CyberKnife) and chemotherapy. Doctors have extensive oncology experience with 1,100+ treatments performed. Clinic has 4.7 rating from 30 patient reviews. | Turkish Medical Association, International Health Tourism Authorization Certificate |