医者は患者

the doctor ... the patient

→ 医者
phrase Rare #36,871
the doctor ... the patient This is not a fixed expression. 医者は means “as for the doctor” or “the doctor,” while 患者 means “patient”; the relationship between them depends on the following particle and verb.
JA: 医者は患者の話をよく聞いた。
EN: The doctor listened carefully to the patient.

医者は患者のところへ急いだ

The doctor hurried to the patient's side.

医者は患者たちを診察した

The doctor examined the patients.