Shiroi Kyotou

Synopsis
The story contrasts the life of two doctors, former classmates and now both associate professors at Naniwa University Hospital in Osaka. The brilliant and ambitious surgeon Goro Zaizen stops at nothing to rise to a position of eminence and authority, while the friendly Shuji Satomi busies himself with his patients and research. (Source: Wikipedia)
Background
Shiroi Kyotou is the manga adaptation of Toyoko Yamasaki's novel of the same title.