| Turkey | Austria | Spain | |
| Tomotherapy | from $12,000 | from $30,000 | from $35,000 |
| Stereotaxic radiosurgery | from $4,500 | from $17,000 | from $12,000 |
| Proton-beam therapy | from $70,000 | from $80,000 | from $25,133 |
| Gamma Knife | from $6,300 | from $32,000 | from $18,000 |
| CyberKnife | from $4,750 | from $50,000 | from $30,000 |
Dr. David Kuczer is a radiation oncologist at Amethyst Radiotherapy in Vienna. He specializes in precise cancer treatment for tumors of the prostate, breast, and brain. Dr. Kuczer presents every patient case to an interdisciplinary tumor board. This ensures each person receives a validated treatment plan from a team of experts.
Univ. Prof. Dr. Wolfgang Köstler is an Austrian authority in individualized cancer treatment and targeted therapies. He serves as a senior consultant at the prestigious 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.