１９９７年元月～１９９７年７月，我科收治胸内巨大肿瘤病人４例，均经手术切除治愈，现报告如下：１病例介绍例１，女，２２岁。１９９７年１月经ＣＴ诊断为左侧胸内巨大囊性肿瘤，经左第６肋间切口进胸，切除肿瘤重３５００ｇ。病理诊断：纵隔囊性淋巴管瘤，术中出血６... From January 1997 to July 1997, 4 patients with huge tumors in our department were cured by surgical resection. The current report is as follows: 1 Case Introduction Case 1, female, 22 years old. In January 1997, a large cystic tumor was diagnosed on the left side of the chest by CT. After the left intercostal incision into the chest, the tumor was resected to a weight of 3500 g. Pathological diagnosis: mediastinal cystic lymphangioma, intraoperative hemorrhage 6...