プログレッシブ和英中辞典(第4版)の解説
つういん【通院】
通院する receive regular outpatient treatment; see a doctor regularly
1か月の通院を要するけが
an injury requiring one month's treatment as an outpatient
もう3か月も通院している
I've been seeing a doctor regularly for three months now.
通院患者
an outpatient
通院患者が急増した
The number of outpatients has suddenly increased.