病例:男,53岁,农民。1985年9月下旬无明显诱因出现咽部异物感,进食不畅,进硬食尤著,数日后右颈部出现杏核大小肿物,逐渐增大,无疼痛,体温正常。门诊发现咽喉部肿物,井取活检三次,病理报告:喉部粘膜急慢性炎症,呈息肉样增生,粘膜上皮轻度异常增生。拟诊咽喉部恶性肿瘤,伴右颈部淋巴结转移。同年11月26日入院。体检仅见右侧胸锁乳突肌中部有一肿 Case: Male, 53 years old, farmer. In late September 1985 no significant incentive to pharyngeal foreign body sensation, poor eating, particularly hard food, a few days later the right neck appeared almond-sized tumor mass, gradually increased, no pain, normal body temperature. Clinic found pharyngeal tumor, well biopsy three times, pathological reports: acute and chronic inflammation of the laryngeal mucosa, polypoid hyperplasia, mucosal epithelial mild dysplasia. Diagnosed throat malignant tumor, with right cervical lymph node metastasis. November 26 the same year admitted to hospital. Physical examination only see the right sternocleidomastoid central a swollen