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患者 男,12岁。体检发现左胸包块4天入院。无咳嗽、胸痛和咯血等,查体无明显阳性体征。胸部CT示左肺上叶有巨大分叶状软组织肿块,性质未定。术前诊断:左肺上叶肺癌。开胸探查:肿瘤位于左肺上叶前段,约15cm×12cm×10cm,球形、分叶、质地中等,广泛侵及左肺下叶前内基底段,瘤体?
Patient male, 12 years old. Physical examination found left chest mass 4 days admission. No cough, chest pain and hemoptysis, physical examination no obvious positive signs. Chest CT showed a large lobulated left lobe of soft tissue mass, undetermined nature. Preoperative diagnosis: left lung lung cancer. Thoracotomy exploration: the tumor is located in the anterior segment of the left upper lobe, about 15cm × 12cm × 10cm, spherical, lobulated, medium texture, extensive invasion of the left lower anterior lobe of the basal segment, the tumor?