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近年来虽然结直肠癌在美国人群中的发病率有所下降,但男性发病率仍高于女性,且从盲肠到直肠男女发生率比(MFIRR)在逐渐增加。Murphy G、Devesa SS、Cross AJ等收集了来自13个中心从1992~2006年记录的患者资料,并使用美国国家癌症研究所的流行病学和最终结果监测(SEER)计划进行分析。结果发现,不同种族间癌变的MFIRR比较接近,而拉
Although the incidence of colorectal cancer has dropped in the United States in recent years, the incidence of colorectal cancer in men is still higher than that in females, and the incidence ratio (MFIRR) of cecum to rectum is gradually increasing. Murphy G, Devesa SS, Cross AJ, etc. The data collected from 13 centers from 1992 to 2006 were collected and analyzed using the National Institutes of Health’s Epidemiology and End Results Monitoring (SEER) program. The results showed that, MFIRR between different racial carcinogenesis is relatively close, and pull