术前放疗是咽瘘发生的最常见原因。

Preoperative radiation is the most common cause of fistula.

youdao

术前放疗可能有价值，但经验尚少。

Preoperative radiation may have value, but the experience is still less.

youdao

术前放疗可能有价值，但经验尚少。

Preoperative radiation may have value, but the experience is still less.

youdao