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。

youdao

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。

youdao