| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (7 reviews) | Hamburg, Germany | — | — | Chemotherapy, Gastroectomy | — | — | International Organization for Standardization, CERTKOM certificate for qualified pain therapy |