5Greelee R T, Murray T, Bolden S, et al. Cancer statistics [ J ]. CA Cancer J Clin,2000,50( 1 ) :7-33.
6Preetha A, Ajaikumar B, Kunnumakara C S, et al. Cancer is a preventable disease that requires major lifestyle changes [ J ]. Pharmaceutical Research,2008,25 ( 9 ) : 2097 -2116.
7Alison A A, Sue A T, Kathyrn E, et al. Association of tobacco and alcohol use with earlier development of colorectal cancer: should we modify screening guidelines [ J ]. Am J Surgery, 2008,196:915-919.
8Verla - Tebit E, Lilla C, Hoffmeister M, et al. Exposure to environmental tobacco smoke and the risk of colorectal cancer in a case - control study from Germany[ J]. European Journal of Cancer Prevention ,2009,18:9-12.
9Edine W T, Kampman E, Bas Bueno de Mesquita H, et al. Meat consumption, cigarette smoking, and genetic susceptibility in the etiology of colorectal cancer: results from a Dutch prospective study [ J ]. Cancer Causes and Control,2002,13:383-393.
10Shrubsole M J, Wu H Y, Ness R M, et al. Alcohol drinking, cigarette smoking,and risk of colorectal adenomatous and hyperplastic polyps [ J]. Am J Epidemio1,2008,167 : 1050-1058.
8[1]Sigel JE,Petras BE,Lashner BA,et al.Intestinal adenocarcinoma in Crohn’s disease A report of 30 cases with a focus on coexisting dysplasia.Am J Surg Pathol,1999,23:651-655
9[2]Klaus JL,Robert HR,Wilred MW.Gastrointestinal pathology and its clinical implications.New York:Igaku-shoin,1992,p949
10[3]Gillen CD,Walmsley RS,Prior P,et al.Ulcerative colitis and Crohn’s disease:A comparison of the colorectal cancer risk in extensive colitis.Gut 1994,35:1590-1592