患者,女,33岁,因发现左颈部包块7年余入院。查体:皮肤及巩膜无黄染,无皮疹及出血点,浅表淋巴结无肿大。颈软,气管居中,无颈静脉怒张,左颈部胸锁乳突肌外缘与斜方肌之间可触及一6cm×3cm大小包块,边缘尚清楚,表面光滑,质韧,无压痛,活动度差,不随吞咽上下移动,局部未闻及血管杂音 The patient, female, 33 years old, was admitted to the hospital for more than seven years because of a left neck mass. Physical examination: skin and sclera no yellow dye, no rash and bleeding, superficial lymph nodes without swelling. Neck soft, tracheal center, no jugular vein engorgement, the left cervical sternocleidomastoid muscle and the trapezius muscle between the reach of a 6cm × 3cm size of the mass, the edge is clear, smooth, tough, no tenderness , Activity is poor, do not move up and down with swallowing, local no smell and vascular murmur