yīshēng / zǐxì / chákàn / le / bìng / àn / quèrèn / huànzhě / yǐqián / yǒu / guo / lèisì / zhèngzhuàng

医生仔细查看了病案，确认患者以前有过类似症状。

The doctor carefully reviewed the medical record and confirmed that the patient had experienced similar symptoms before.