| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (174) | Vienna, Austria | 48+ years | Consultation with an oncologist, PET/CT | — | — | World's Best Hospitals 2021 by Newsweek, International Organization for Standardization | ||
| #2 | 4.5 / 5 (19) | Vienna, Austria | 44+ years | Lobectomy | — | — | International Organization for Standardization, World's Best Hospitals 2026 by Newsweek |