从医学角度看，住院并非必要，所以医生说他可以回家。

A stay in the hospital was not ___medically necessary, so the doctor said he could go home.

目前还没有针对这种病症的、经过医学验证的治疗方法。

There is no ___medically proven treatment for this condition yet.

从医学角度建议这名患者休息两周。

The patient was ___medically advised to rest for two weeks.