Quirónsalud Madrid specializes in oncology with a dedicated research team conducting clinical trials for stomach cancer treatment. Dr. Luis Madero, Head of Paediatric Haemato-Oncology with _doctor_1868_years_ of experience, leads the team and has authored 14 books and 200+ conferences. Treatment may cost around $5,500–$11,500. The hospital offers participation in clinical trials for eligible patients.

Hospital Ruber Internacional is a JCI-accredited private hospital in Madrid, Spain. Ranked among Spain's top 6 hospitals by Forbes. Specializes in neurosurgery, orthopedics, and cardiology.

• Performed 6,000+ surgeries and 93,000+ consultations in 2022 alone.
• Equipped with Gamma Knife ICON, CyberKnife, Da Vinci Xi, and 3-Tesla MRI.
• Treats both adults and children, with 108 private rooms and 15 luxury suites.
• ISO 9001, ISO 14001, and ISO 50001 certified for quality and environmental management.

HM Hospitales is a network of 7 medical centers in Madrid and 40 facilities across Spain. Its strengths are oncology, neurosciences, cardiovascular diseases, fertility, pediatrics, and memory disorders. The group is EFQM-certified and was named one of the World's Best Hospitals 2021 by Newsweek.

• Only medical facility in Spain with the StealthStation ENT Navigation System for complex sinus and skull base surgeries.
• HM Cancer Center houses a Da Vinci Xi robot, Siemens PET/MRI, Elekta Versa HD, and Novalis linear accelerators.
• HM CIEC cardiovascular center runs the only robot-assisted lab in Madrid for electrophysiological heart exams.
• HM Fertility Center reports a 90% pregnancy rate within the first 3 IVF cycles.
• Free airport transfers and English-speaking translators for international patients.

GenesisCare Clinics is a global network of 300 clinics. Its Madrid location focuses on high-tech radiotherapy and chemotherapy.

• Treats 15,000 patients each year.
• Uses CyberKnife, tomotherapy, and brachytherapy machines.
• Employs 62 doctors across 21 departments.

Dr. Antonio Cubillo Gracián leads the Medical Oncology Service at HM CIOCC with expertise in digestive neoplasms. He directs a pioneering Liquid Biopsy Program for cancer diagnostics. With teaching roles at CEU San Pablo University, he has mentored 100+ students and participated in research collaborations with MD Anderson Cancer Center. The clinic serves adults with prices for stomach cancer treatment typically running $100–$200.