But intraoperative bleeding and hematuria after operation is an important factor which affects the effect of operation and increases mortality.

但术中出血及术后长期血尿是影响手术效果及增加患者死亡率的重要因素。

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Conclusion: Laparoscopic colorectal radical surgery is safe and feasible, with small intraoperative bleeding, faster recovery and satisfied curative effect.

结论：腹腔镜结直肠癌根治术安全、可行，术中出血量少，术后恢复快，疗效满意。

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The age of patients, size and site of renal tumor, operating time, intraoperative bleeding, postoperative bleeding and postoperative complications of the three groups were compared.

对比三组患者的年龄、肾肿瘤大小、部位、手术时间、术中出血量和术后出血情况及术后并发症的发生率。

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