根据包括美国癌症学会和CDC等主导癌症研究小组的最近研究，2002 - 2004年期间结直肠癌的死亡率下降了近5%。
According to a recent study by leading cancer groups, including the American cancer Society and the CDC, deaths from colorectal cancer dropped nearly 5 percent between 2002 and 2004.
结果：该组49例结直肠癌患者原发癌均获切除，同时一期切除肝转移癌。
Results: All of 49 patients with colorectal cancer received one stage resection of primary tumors and metastatic tumors.
目的探讨腹腔镜结直肠癌根治术围术期系统免疫功能的变化。
To investigate the changes of systemic immune function in patients undergoing laparoscopy-assisted colorectal tumor surgery during peri-operation period.
目的：探讨老年结直肠癌的临床特点、外科治疗和围手术期处理。
Objective: To approach the clinical feature and the surgical treatment and the treatment around the surgical age of the elderly colorectal cancer.
目的：探讨老年结直肠癌的临床特点、外科治疗和围手术期处理。
Objective: To approach the clinical feature and the surgical treatment and the treatment around the surgical age of the elderly colorectal cancer.
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