胃癌D2根治术加系统性主动脉旁淋巴结清扫术在可治疗胃癌中的临床价值存在争议。
The clinical value of systematic PAND in addition to D2 gastrectomy in curable gastric cancer has been controversial.
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.
目的探讨进展期结直肠癌经淋巴结转移规律，指导手术清扫范围，以期提高根治效果。
Objective: to explore correlation factor of lymphatic metastasis of advanced colorectal cancer in order to guide the excision extent and improve the effect of radical excision.
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