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。
Objective to study the body surface location of the transverse sinus and sigmoid sinus to provide the anatomic information to location of the bone window for petrous bone-associated operation.
目的确定横窦、乙状窦的体表定位，为岩骨相关手术的骨窗定位提供解剖学资料。
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