患者男，８０岁。因咽痛不适，异物感２个多月就诊。患者１３年前有结肠乳头状腺癌切除术史。体查：身体浅表淋巴结不大，右侧舌根部可触及一肿物，约２ｃｍ×２ｃｍ，质中，边界清，伸舌无受限，有压痛。心肺无异常，腹部正中见手术切口瘢痕长９ｃｍ，腹平软，肝、脾未触... Male patient, 80 years old. Due to sore throat, foreign body sensation more than 2 months. The patient had a history of colon resection of papillary adenocarcinoma 13 years ago. Physical examination: The body’s superficial lymph nodes are not large. The right base of the tongue can touch a mass, about 2cm × 2cm, in the quality, the boundary is clear, the tongue is not limited, there is tenderness. No abnormalities in heart and lungs, the middle of the abdomen see surgical incision scar length 9cm, abdomen soft, liver, spleen did not touch ...