| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.5 / 5 (23 reviews) | Seoul, Republic of Korea | — | 45,000+ treatments | Radiotherapy for cervical cancer, Radioiodine therapy | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | |
| #2 | 3.9 / 5 (0 reviews) | Seoul, Republic of Korea | — | — | Oncological Check-up for Man | — | — | Korean Institute for Healthcare Accreditation | |
| #3 | 4.5 / 5 (7 reviews) | Seoul, Republic of Korea | — | 65,000+ treatments | Transurethral resection of the prostate (TURP), Pneumonectomy | — | — | International Organization for Standardization, Korean Institute for Healthcare Accreditation | |
| #4 | 4.5 / 5 (43 reviews) | Seoul, Republic of Korea | — | — | Radiation therapy for colorectal cancer, Radiation therapy for brain tumor | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation | |
| #5 | 3.6 / 5 (0 reviews) | Seoul, Republic of Korea | — | — | Nephrectomy, Lumpectomy | — | — | Joint Commission International , Korean Institute for Healthcare Accreditation |