Results Of 83 cases, 78 were treated successfully, ureteric perforation occurred in 1case, stones went into kidney in 2 cases, the cure rate was 92.7%.

结果输尿管中下段结石83例，78例碎石成功，术中1例出现输尿管穿孔，2例结石上移至肾盂内，成功率92.7%。

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The stone free rate of URL was 100% for lower ureteral stones, There was no ureteral perforation and avulsion happened.

URL对输尿管中下段结石取净率为100%，术中无输尿管穿孔、撕脱等并发症发生。

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Peptic ulcer perforation is the one of surgical abdomens, with high incidence and mortality rate.

消化性溃疡穿孔是目前临床上常见的急腹症之一，其发病率及病死率高。

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