surgeon major general
A senior rank in the medical corps of the Japan Ground Self-Defense Force, equivalent to a major general. This term is specific to the JGSDF; other branches may use different titles.
He commands the Self-Defense Force hospital as a surgeon major general.
軍医 is a general term for a military doctor, not a specific rank.
Compound of 軍医 (military doctor) and 監 (supervisor, inspector), designating a senior supervisory rank in the medical corps.