| Turkey | Austria | Spain | |
| Radiation therapy for colorectal cancer | from $7,000 | from $12,000 | from $10,000 |
| Radiation Therapy for Sarcomas | from $3,250 | from $18,000 | from $8,000 |
| Proton-beam therapy | from $70,000 | from $80,000 | from $25,707 |
| Proton therapy for prostate cancer | from $30,000 | from $80,000 | from $70,000 |
| Proton therapy for breast cancer | from $30,000 | from $55,000 | from $85,000 |
Dr. Ahmet Demir is a professor and pediatric oncologist at Memorial Ankara Hospital. He specializes in bone marrow transplantation and childhood blood cancers. Dr. Demir treat cases of acute leukemia, Hodgkin lymphoma, and neuroblastoma. He holds a Master of Science in Pediatric Oncology from Hacettepe University.