En bloc resection and a negative resection margin were obtained in all.

对所有患者都取得整块切除和阴性切缘。

In symptomatic cases, en bloc resection is generally the treatment of choice.

在有症状的病例中，整体切除是首选的治疗方式。

To date, few large clinical series with en bloc resection of these tumors exist.

到目前为止，整块切除这些肿瘤很少有大的临床队列研究。

Pathologic analysis confirmed the en bloc resection without tumor exposure in the 3 patients with a spinal tumor.

病理结果证实，3名脊柱肿瘤患者的肿瘤切除范围完整，无残余。

Conclusion The en bloc resection with necessary reconstruction of inferior vena cava is an effective method to treat leiomyosarcoma of inferior vena cava.

结论肿瘤整块切除及必要的下腔静脉重建是治疗下腔静脉平滑肌肉瘤的有效方法。