| 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 $25,035 |
| Gamma Knife | from $6,300 | from $32,000 | from $18,000 |
| CyberKnife | from $4,750 | from $50,000 | from $30,000 |
Dr. López-Ibor specializes in pediatric brain tumors with over 32 years of experience of experience, currently leading the Pediatric Hematology and Oncology Unit at HM Montepríncipe Hospital.
Head of the Department of Neurosurgery at HM Hospitales Clinic – Dr. Fernández leads a specialized team in brain cancer care.
Dr. Luis Madero is the Head of Pediatric Hemato-Oncology at Quironsalud Madrid University Hospital. He specializes in treating complex blood disorders and performing bone marrow transplants. Dr. Madero serves as a Professor of Pediatrics at the Autonomous University of Madrid. He works at Quironsalud Madrid, which Newsweek ranked among the World's Best Hospitals.