患儿男性14岁，藏族，加查县人，以左上腹不适伴包块月余而收住院。入院查体，生命体征正常，心肺未见异常，腹部膨隆，以上腹部为显著，无腹壁静脉曲张，触诊右侧助缘下可触及一包块，居肋下15cm，表面光滑，稍有压痛，边界清、质较，活动度差，无移浊，肠鸣音可。入院后即行B The children were 14 years old, Tibetans, and Gacha County residents. They were admitted to hospital with left upper quadrant discomfort and mass loss for more than a month. Admission examination, normal vital signs, no abnormalities in heart and lung, abdominal distension, significant above abdomen, no abdominal wall varices, palpation of the right side of the help margin can be reached in a mass, ribs 15cm, smooth surface, slightly tender , Clear boundary, quality, poor activity, no muddiness, bowel sounds can be. After admission, line B