患者李某，男，５３岁。因左耳下肿物２０年，口角歪斜，闭眼困难２０ｄ，于１９９８年１１月１８日入院。于２０年前无意中发现左耳垂后下有一玉米粒大小肿物，缓慢增大，无痛。自１９９８年５月肿物生长迅速，２０ｄ前出现左眼闭合困难，口角歪斜。入院查体：Ｔ３６．７... Patient Lee, male, 53 years old. He was admitted to the hospital on November 18, 1998 because he had a 20-year mass under his left ear, a skewed mouth, and difficulty closing his eyes for 20 days. Unexpectedly, 20 years ago, there was a corn mass behind the left ear lobe, which slowly grew and painless. Since May 1998, the tumor has grown rapidly. It has been difficult to close the left eye and the angle of the mouth has been skewed before 20 days. Admission examination: T36.7...