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The prevalence of colorectal adenomatous polyps varies widely from country to country. Among asymptomatic, average-risk patients, adenoma prevalence averages approximately 10% in sigmoidoscopy studies and more than 25% in colonoscopy studies, whereas the prevalence of colorectal cancer among these patients is less than 1%. These data may change in the future due to the advent of new technological...
As a complex syndrome, cachexia has different clinical manifestations; anorexia appears to be one of the most frequentfindings, together with weight loss. Anorexia is the cause and partly the consequence of metabolic changes and of progressive undernourishment. In cancer cachexia, weight loss is associated with a marked decrease of food intake and severe alteration of body composition. Malnourished...
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