Objective:To evaluate the clinical characteristics of leiomyosarcoma of inferior vena cava and to summarize the author s experience on the treatment of leiomyosarcoima of infe-rior vena cava.

• 目的:了解下腔静脉平滑肌肉瘤的临床特点,提高对下腔静脉平滑肌肉瘤的诊治能力,探讨其合理的治疗方法。