患者男，５３岁。左上腹肿物伴疼痛一个月。查体：巩膜无苍白、无黄染，浅表淋巴结无肿大，心肺正常。左上腹部可触及包块，左肋缘下４－５ｃｍ，表面较光滑，活动性小，轻度压痛，实验室检查均正常。既往健康。彩超检查：肝、胆、胰、肾扫查未见异常，腹腔内未见肿大淋巴结及 Male patient, 53 years old. Left upper abdominal mass with pain for one month. Physical examination: The sclera was neither pale or yellow, no superficial lymph nodes were enlarged, and the heart and lungs were normal. The left upper abdomen palpable mass, 4-5cm below the left costal margin, the surface is smooth, small activity, mild tenderness, laboratory tests were normal. Past health. Color Doppler ultrasound examination showed no abnormalities in liver, gallbladder, pancreas, and kidney scans. No enlarged lymph nodes were found in the abdominal cavity.