| Turkey | Austria | Spain | |
| Stereotaxic radiosurgery | from $4,500 | from $17,000 | from $12,000 |
| Radiation therapy for colorectal cancer | from $7,000 | from $12,000 | from $10,000 |
| Craniotomy | from $5,650 | from $20,000 | from $25,000 |
| Chemotherapy for breast cancer | from $1,200 | from $15,000 | from $3,500 |
| Halcyon | from $5,400 | - | - |
Prof. Wolfgang Köstler specializes in targeted cancer therapies, focusing on breast and gynecologic malignancies at Wiener Privatklinik.
Dr. Christoph Zielinski is a prominent oncologist and Chairman of the Vienna Cancer Center. He serves as Medical Director of the International Oncology Center at Wiener Privatklinik. Dr. Zielinski specializes in immunotherapy and hematology. He has published over 600 scientific papers on individualized cancer treatment. Dr. Zielinski works at Wiener Privatklinik, a hospital ranked among the world's best by Newsweek.