| Turkey | Austria | Spain | |
| Chemotherapy for breast cancer | from $1,200 | from $15,000 | from $3,500 |
| Bone marrow transplantation | from $36,000 | from $140,000 | from $71,782 |
| Autologous bone marrow transplantation | from $31,500 | from $50,000 | from $40,000 |
| Allogenic bone marrow transplantation from an unrelated donor | from $80,000 | from $180,000 | from $150,000 |
| Allogenic bone marrow transplantation from a related donor | from $65,000 | from $150,000 | from $14,068 |
Prof. Osman Ilhan performed Turkey's first bone marrow transplant and holds patents in hematology innovations at Private Koru Ankara Hospital.
The doctor is a distinguished pediatric oncologist and oncohematologist with over twenty years of experience in treating acute leukemia, Hodgkin lymphoma, and various childhood blood diseases. Proficient in performing bone marrow transplantation, the doctor has achieved international recognition through prolific research and publications in pediatric oncology.
Graduated from Istanbul University Cerrahpasa Medical Department, the doctor specialized in Pediatric Oncology at Hacettepe University and completed a residency at its Institute of Oncology. Appointed as a professor at Istanbul Gelishim University, the doctor is a member of several prestigious medical associations.