Abstract:Colorectal cancer is the second most common tumour in North American men and women. From present understanding of the pathogenesis and natural history of l?.rge bowel cancer, theoretically at least, the prevalence rate could be significantly decreased with careful application of simple screening measures and appropriately directed diagnostic tests. Until resu lts of randomized controlled trials are al'ailable, it is importan t to recogn ize the pitfalls of mass screening o r of substituting screening for prope… Show more
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