畸胎瘤是纵隔常见肿瘤之一，大多属良性，我们收治一例，其瘤体之大几乎充填整个胸腔，在临床上实属罕见，故报道如下：患者，男，３３岁，以“后纵隔巨大肿瘤”之诊断收住我院行剖胸探查术。其自幼体弱消瘦，身高１．６０ｃｍ，体重４５ｋｇ。两年前出现劳动后气短，加重... Teratoma is one of the common tumors of the mediastinum. Most of them are benign. We treat one case. The large size of the tumor almost fills the entire chest cavity. It is rare in clinical practice. It is reported as follows: Patient, male, 33 years old, with posterior mediastinum “The diagnosis of huge tumors” took in our hospital for exploratory thorax exploration. She was weak and thin and was 1.60cm tall and weighed 45kg. Two years ago there was shortness of breath after work, aggravate...