| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 5.0 / 5 (5 reviews) | Duisburg, Germany | 114+ years | — | — | — | German Cancer Society, Cooperation for transparency and quality in the health service |