| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.5 / 5 (22 reviews) | Seoul, Republic of Korea | 28+ years45,000+ treatments | Consultation of a radiologist, Consultation with an oncologist | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | ||
| #2 | 4.8 / 5 (6 reviews) | Seoul, Republic of Korea | — | 32,000+ treatments | Consultation with an oncologist | — | — | Global Healthcare Accreditation Program, World's Best Hospitals 2021 by Newsweek | |
| #3 | 4.8 / 5 (4 reviews) | Incheon, Republic of Korea | — | — | — | — | — | World's Best Hospitals 2021 by Newsweek | |
| #4 | 4.6 / 5 (42 reviews) | Seoul, Republic of Korea | — | — | Consultation with an oncologist | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation |