Conclusion: PTCD plays an important role in diagnosing and treating the old ACST patient and it can improve the operative effects and decrease the mortality rate.

结论：PTCD对老年acst的诊断与治疗有重要意义，可明显提高手术治疗效果及降低死亡率。

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Local excision and endoscopic resection has the advantage of operative mortality and postoperative complication rate is low.

局部切除及内镜下切除具有手术死亡率、术后并发症发生率低等优势。

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The diagnostic yield, post-operative complication rate, and mortality rate between VATLB and OLB had no significant difference.

接受OLB 或VATLB 者在诊断率和并发症发生率上无统计学显著差异。

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