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Colorectal cancer, which develops slowly over several years without causing symptoms especially in the early stages, is the second-largest cancer killer in the U.S., claiming more than 50,000 ...
New study on colonoscopy finds they may not be that effective at preventing colon cancer, death. But you still need regular colon cancer screening, doctors say.
The signs and symptoms of colorectal cancer depend on the location of the tumor in the bowel, and whether it has spread elsewhere in the body ().The classic warning signs include: worsening constipation, blood in the stool, decrease in stool caliber (thickness), loss of appetite, loss of weight, and nausea or vomiting in someone over 50 years old. [15]
Routine use of colonoscopy screening varies globally. In the US, colonoscopy is a commonly recommended and widely utilized screening method for colorectal cancer, often beginning at age 45 or 50, depending on risk factors and guidelines from organizations like the American Cancer Society. [9] However, screening practices differ worldwide.
Cancer. According to the CDC, cancer is the No. 2 leading cause of death in older Americans, behind only heart disease. SeniorCaring.org reports that the cancers most likely to affect people over ...
Serrated polyposis syndrome often does not cause symptoms. The risk of colon cancer is between 25 and 40%. [8] Sessile serrated polyps, as seen during endoscopy or colonoscopy, are flat (rather than raised) and are easily overlooked. Serrated lesions range in size from small (<5 mm) to large, and often have a "mucous cap" overlying the polyp.