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。
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