结论：使用手术放大镜，在精细解剖的基础上行tt安全性好，并发症发生率低，值得提倡。
Conclusions: TT is a safe procedure with low complication rate under the condition of meticulous dissection with the aid of surgical loupes, and is recommended for use in clinical practice.
结论：使用手术放大镜，在精细解剖的基础上行tt安全性好，并发症发生率低，值得提倡。
Conclusions: TT is a safe procedure with low complication rate under the condition of meticulous dissection with the aid of surgical loupes, and is recommended for use in clinical practice.
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