患者：女性，12岁。上腹包块11年。5个月时其父发现患儿腹部膨隆，可扪及一肿块，无任何不适，未进行检查和治疗。之后包块随年龄的增长而逐渐增大。家族中无遗传病史。体检：上腹部偏左可扪及一个12cm×8cm大包块，表面光滑，质地中等，无压痛，活动欠佳，叩诊呈实音。肝、胆? Patient: Female, 12 years old. Abdominal mass 11 years. 5 months when his father found that children with abdominal bulging, palpable mass, without any discomfort, without examination and treatment. After the mass with age and gradually increased. Family history of no genetic disease. Physical examination: the left side of the upper abdomen palpable and a 12cm × 8cm large mass, smooth surface, medium texture, no tenderness, poor activity, percussion was solid tone. Liver, gallbladder?