Zhè wèi bìngrén yǒu qīngdù de gān gōngnéngzhàng'ài.
This patient has mild liver dysfunction.
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usage
A compound noun commonly suffixed to an organ or system: 肝功能障碍 (liver dysfunction), 肾功能障碍 (kidney dysfunction), 性功能障碍 (sexual dysfunction). The 障碍 frames the problem as an obstacle to normal operation rather than outright disease.