Dr. Leonaldson Dos Santos Castros is an Oncologic Surgeon specialized in the Abdominal area. He has developed his extensive professional career in Brazil, country where he is a native and where he has completed his university studies and specializations.  

The complexity of his interventions has led him to perfect himself in this field and even develop his Doctorate of Medicine in surgery practiced in this part of the body. Dos Santos Castros has also published scientific papers and participated in numerous national and international congresses.  

• Oncological Surgeon of the Abdominopelvic Surgery Section of INCA-RJ (National Cancer Institute)
• Doctor of Medicine in General Surgery in the Abdominal sector at the Federal University of Rio de Janeiro
• Member of Americas Hepato-Pancreato-Biliary Association