Masahiro Tsuboi, MD, PhD (1961–2026)

The global lung cancer community lost a distinguished thoracic surgeon, pioneering clinical investigator, and widely respected colleague with the passing of Dr. Masahiro Tsuboi on February 27, 2026, at the age of 65 after battling urothelial carcinoma. His death represents a profound loss to the international thoracic oncology community and to the many colleagues, trainees, and patients whose lives he touched throughout his career.