患者,男,30岁。2004年3月中旬无意中发现左侧腮腺部有一拇指头大小肿块,无红肿疼痛,生长缓慢,未诊治;同年9月又发现左耳后下方有2个明显肿大淋巴结;近3个月来腮腺区肿块增大迅速,并同时发现同侧颈后区多个大小不等淋巴结肿大。于2005年3月5日在门诊作腮腺肿块及耳后淋巴结细胞? Patient, male, 30 years old. In mid-March 2004, the left parotid gland was inadvertently found to have a thumb-sized mass with no swelling and pain. The growth was slow and not diagnosed. In the same year in September, it was found that there were two prominent enlarged lymph nodes in the left ear and the bottom. In the past three months Parotid mass increased rapidly, and also found ipsilateral posterior cervical region multiple sizes ranging from lymph nodes. On March 5, 2005 in the clinic for parotid mass and ear lymph node cells?