内胚窦瘤１例司建设②任芙娥③杜方英③患者男，４７岁。主诉：右侧胸痛、气短、伴有低热３个月。体格检查：右肺呼吸音略低，余未发现异常。Ｘ线检查：纵隔向右肺野突出直径８．０ｃｍ大小块影，密度均匀，境界清楚，有分叶征像（图１）。侧位肿瘤位于前上纵隔（图２）。... One case of endodermal sinus aneurysm was built in the division 2 Renfu 3 Du Fangying 3 patients male, 47 years old. Chief complaint: Right chest pain, shortness of breath, accompanied by fever for 3 months. Physical examination: Right lung breath sounds slightly lower, but no abnormality was found. X-ray examination: The mediastinum protruded to the right lung field with a diameter of 8.0 cm, and the density was even, the state was clear, and there was a lobulation sign (Figure 1). Lateral tumors were located in the anterior superior mediastinum (Figure 2). ...