SJD Barcelona Children’s Hospital ranks among Europe's top three medical institutions. It has provided care since 1867 and treats patients from infancy through 18. Core specialties include pediatric oncology, cardiology, neurology, and orthopedics.

• Survival rate for acute lymphoblastic leukemia reaches 94%.
• Bone marrow transplant survival rates: 90–100% for related donors, 70–80% for unrelated.
• Cardiology center performs over 300 surgeries yearly with high success and low mortality.
• Uses intra-arterial chemotherapy for retinoblastoma and anti-GD2 immunotherapy for neuroblastoma.
• HEPA-filtered rooms protect patients after bone marrow transplants.

Hospital HM Nou Delfos provides immunotherapy for kidney cancer as part of Spain's largest private hospital network, HM Hospitals. The clinic offers advanced oncology treatments with access to the latest diagnostic and radiotherapy technologies. Dr. Begoña Mellado González, a medical oncologist specialized in urological cancers, leads the urological cancer care team with extensive experience in prostate, kidney, and bladder cancers. She has published over 140 scientific articles and conducts research at IDIBAPS on personalized cancer treatments.