患者男 ,5 7岁。上腹不适半月 ,皮肤巩膜黄染 1周余 ,近半月体重下降 2～ 3kg。否认家族史中有肿瘤疾病史。体检 :右肋弓下及一可疑包块 ,活动度尚可 ,按压时患者有饱胀感。实验室检查 :尿常规 :尿酮体 :1.5mmol/L ,尿胆原 :16μmol/L (正常范围 0～ 4 μmol/L) ;肝肾功能检查 Patient male, 57 years old. Abdominal discomfort half moon, skin sclera yellow dye more than 1 week, nearly half of the weight loss 2 ~ 3kg. Denied the history of cancer in family history. Physical examination: bow under the right rib and a suspicious mass, activity is acceptable, the patient has a sense of fullness when pressed. Laboratory tests: urine: urine ketone body: 1.5mmol / L, urobilinogen: 16μmol / L (normal range 0 ~ 4μmol / L); liver and kidney function tests