| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.5 / 5 (25) | Seoul, Republic of Korea | 45,000+ treatments | Extended analysis of blood, Consultation with a gastroenterologist | Patients seeking robotic-assisted colon cancer surgery | Asia's largest cancer center with a dedicated colorectal department. Offers Da Vinci robotic surgery, Novalis image-guided and proton beam therapy. Gastroenterologist trained at Stanford. 50,000+ cancer patients treated. | International Organization for Standardization, Korean Institute for Healthcare Accreditation | ||
| #2 | 5.0 / 5 (9) | Seoul, Republic of Korea | — | PET/CT, Scintigraphy | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | ||
| #3 | 4.9 / 5 (7) | Seoul, Republic of Korea | — | 32,000+ treatments | Colectomy (large bowel resection), Consultation with an oncologist | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek | |
| #4 | 4.5 / 5 (7) | Seoul, Republic of Korea | 65,000+ treatments | Resection of large intestine | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | ||
| #5 | 3.5 / 5 (4) | Seoul, Republic of Korea | — | — | — | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #6 | 4.5 / 5 (43) | Seoul, Republic of Korea | — | PET/CT, Consultation with an oncologist | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | ||
| #7 | 5.0 / 5 (1) | Seoul, Republic of Korea | — | Colectomy (large bowel resection), Consultation with a gastroenterologist | — | — | World's Best Hospitals 2021 by Newsweek, World's Best Smart Hospitals 2021 by Newsweek | ||
| #8 | 3.6 / 5 | Seoul, Republic of Korea | 23+ years | PET/CT | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | ||
| #9 | 3.4 / 5 (2) | Seoul, Republic of Korea | — | — | Endoscopic submucosal dissection (ESD), colon polypectomy, colonoscopy, Olympus EVIS X1 system | Screening and polyp removal in one visit | AI Endoscopy Center with Olympus EVIS X1 detects polyps instantly. Same-day polypectomy avoids second visits. Surgeons are certified colonoscopy specialists. 150,000+ procedures performed. | Korean Institute for Healthcare Accreditation |