![]() This may include inserting a gloved finger into your rectum to feel for lumps. The doctor will likely begin by taking your medical history and performing a physical exam. Rectal cancer is diagnosed with a combination of the following: Physical exam and screening tests ![]() consuming three or more alcoholic drinks per day.eating a diet high in red and processed meat.eating a diet low in vegetables and fiber.Some lifestyle factors that may play a role in colorectal cancer are: type 2 diabetes that’s not well managed.inflammatory bowel disease, especially if you’ve lived with it for 8 years or longer.Other conditions that may increase risk include: Previous radiation treatment to the abdomen can increase risk. Lynch syndrome or FAP are two genetic conditions that may increase your risk. Personal or family history of colorectal cancer can raise risk. One reason for this may be inequities in healthcare access. ![]() Black Americans are at higher risk than other groups of developing rectal cancer. Diagnosis usually occurs after age 50, although rates are increasing among younger people. While there’s no single known cause of rectal cancer, a number of known factors may increase your risk for developing this cancer at some point. Large bowel removal may also be a preventive surgery your doctor may recommend. In fact, most people with FAP develop cancer before the age of 50. While these polyps start off as noncancerous, they may become malignant. This is a rare disorder that can cause polyps to grow in the lining of the colon and rectum. In some cases, your doctor may recommend removing your colon as a preventive measure.Īnother genetic condition that may cause rectal cancer is familial adenomatous polyposis (FAP). This disorder significantly raises the risk of colon and other cancers. One of these is hereditary nonpolyposis colorectal cancer (HNPCC), also known as Lynch syndrome. There are some inherited gene mutations that can increase your risk for rectal cancer. What sets off this process isn’t always clear. These cells can penetrate and destroy healthy tissue. While the exact cause of rectal cancer is unknown, malignant tumors develop when cancerous cells grow out of control and multiply.
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