目的研究经腹腔镜行乙状结肠、直肠癌根治术中淋巴结清扫的范围和方法。
Objectives To study the extent and method in laparoscopic clearance of lymph nodes during radical operation for carcinoma of rectum and sigmoid colon.
目的：探讨淋巴绘图(LM)和前哨淋巴结(SLN)定位分析在腹腔镜结肠癌手术中的应用价值。
Objective: to explore the value of lymphatic mapping (LM) and sentinel lymph node (SLN) analysis in laparoscopic colectomy for colon carcinoma.
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