患者汪某，男性，３５岁，因吞咽呼吸困难１年于１９９７年１２月２７日入院，曾于２年前在他院行左腮腺肿瘤部分切除术，术后即感左面部不能随意活动及左睑闭合困难，１年后又出现咽部肿物致吞咽呼吸困难，平睡时易憋醒。检查：左面部贝氏征（＋），左腮腺区中等隆起，左... Patient Wang M, male, 35 years old, admitted to hospital on December 27, 1997 due to dysphagia for one year. He had a partial resection of the left salivary gland tumor at his hospital two years ago. The left fistula is difficult to close, and one year later, a pharyngeal mass appears to cause difficulty in swallowing and breathing, and it is easy to wake up when it is asleep. Check: Left facial Bayesian sign (+), left parotid gland area medium uplift, left ...