medical intern; resident
A doctor undergoing postgraduate clinical training in a hospital, equivalent to a medical intern or resident.
He works as a medical intern at the university hospital.
Senior doctors supervise the residents.
インターン is a broader term for an intern in any field, whereas 研修医 is specific to medical training.
resident physician in specialty training
clinical internship system; medical residency system
Compound of 研修 (training) and 医 (doctor). The term follows the standard pattern for medical training roles in Japanese.