noun
resident physician in specialty training
Medical term for a doctor undergoing advanced clinical training in a specific field after completing initial residency.
彼は内科の専攻医として大学病院で研修している。
He is training as a resident physician in internal medicine at the university hospital.
Compound of 専攻 (せんこう, 'specialization') and 医 (い, 'physician'). The term is a modern medical designation.