| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.5 / 5 (19 reviews) | Vienna, Austria | — | — | Radiotherapy for prostate cancer | — | — | International Organization for Standardization | |
| #2 | 4.6 / 5 (0 reviews) | Vienna, Austria | — | — | Radiotherapy for prostate cancer, Online Consultation with Oncologist | — | — | World's Best Hospitals 2026 by Newsweek |