| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 | Vienna, Austria | — | — | Intensity-modulated radiotherapy (IMRT), volumetric modulated arc therapy (VMAT), image-guided radiotherapy (IGRT), MRI and CT-based treatment planning | — | Elekta Versa HD delivers 1 mm-accurate radiotherapy, sparing healthy tissue. IMRT, VMAT, IGRT options. Dr. Kuczer, Patients' Choice Award winner, leads breast cancer radiation. | World's Best Hospitals 2026 by Newsweek |