Thomás Alexandre E. dos Santos

Thomás Alexandre E. dos Santos is a Clinical Oncologist at Rede D’Or in Rio de Janeiro, Brazil. He earned his medical degree from the Souza Marques Technical-Educational Foundation and completed residency training in Internal Medicine at Hospital Federal do Andaraí and Clinical Oncology at Clementino Fraga Filho University Hospital (UFRJ). He also completed a Clinical Research Fellowship at Brazil’s National Cancer Institute (INCA) in 2026.

His clinical and research interests include gastrointestinal oncology, uro-oncology, and lung cancer. He has experience with clinical trial protocols across these disease areas and participates in multidisciplinary cancer care. His professional activities combine evidence-based oncology practice, clinical research, and an interest in precision medicine and medical education.