| Turkey | Austria | Spain | |
| Gamma Knife | from $4,300 | from $32,000 | from $18,000 |
| Brain tumor surgery | from $27,522 | from $60,000 | from $11,583 |
| Brain tumor removal | from $4,200 | from $60,000 | from $52,123 |
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.