is colon cancer and colorectal cancer the same thing?
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Bowel cancer is cancer in any part of the large bowel (colon or rectum). It is sometimes known as colorectal cancer and might also be called colon cancer or rectal cancer, depending on where it starts. Cancer of the small bowel is very rare – it is called small bowel cancer or small intestine cancer.
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The colon is also known as the large bowel or large intestine. It is an organ that is part of the digestive system (also called the digestive tract) in the human body.
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How common is colorectal cancer? Excluding skin cancers, colorectal cancer is the third most common cancer diagnosed in both men and women in the United States. The American Cancer Society's estimates for the number of colorectal cancer cases in the United States for 2020 are: 104,610 new cases of colon cancer.
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Gene involved in colorectal cancer also causes breast cancer. Rare mutations in the NTHL1 gene, previously associated with colorectal cancer, also cause breast cancer and other types of cancer.
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Treatment for colon cancer usually involves surgery to remove the cancer. Other treatments, such as radiation therapy and chemotherapy, might also be recommended.
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Colon cancer is the second most deadly form of cancer after lung cancer. But it's one of the easiest diseases to detect, and in its earliest stages, it's also one of the most curable. If you've been diagnosed with colon cancer, or if you're at risk for the disease, it's time to learn everything you can.
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The exact cause of colorectal cancer is not known, but certain risk factors are strongly linked to the disease, including diet, tobacco smoking and heavy alcohol use. Also, people with certain hereditary cancer syndromes or a family history of colorectal cancer have a high risk of developing the disease.
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Two Parts of the Same Organ But they start in different places within it. Colon cancer can start anywhere in the colon, which is about 5 feet long and absorbs water from stool. Rectal cancer starts in the rectum, which is the last 12 centimeters (nearly 5 inches) of the colon.
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Colorectal cancer can occur in young adults and teenagers, but the majority of colorectal cancers occur in people older than 50. For colon cancer, the average age at the time of diagnosis for men is 68 and for women is 72. For rectal cancer, it is age 63 for both men and women.
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Stomach cancer should not be confused with other cancers that can occur in the abdomen, like cancer of the colon (large intestine), liver, pancreas, or small intestine because these cancers can have different symptoms, different outlooks, and different treatments.
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Some colon polyps are benign, which means they are not cancerous, but some can be precancerous or cancerous. The relationship of certain polyps to cancer is well established. Polyps can usually be removed during colonoscopy.
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Ulcerative colitis is a long-term (chronic) disease. There may be times when your symptoms go away and you are in remission for months or even years. But the symptoms will come back. If only your rectum is affected, your risk of colon cancer is not higher than normal.
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The bowel is part of the digestive system. It is made up of the small bowel (small intestine) and the large bowel (colon and rectum). The small bowel is longer than the large bowel but it gets its name from the fact it is much narrower than the large bowel. Cancer is more likely to develop in the large bowel.
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Most colon polyps are found during tests for colorectal cancer. Unless the polyps are large and cause bleeding or pain, the only way to know if you have polyps is to have tests that explore the inside of your colon. Several tests can be used to detect colon polyps.
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Most colon polyps are adenomas. Serrated polyps may become cancerous, depending on their size and location in the colon. In general, the larger a polyp, the greater the risk of cancer, especially with neoplastic polyps.
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by Dr. C.H. Weaver M.D. updated 4/2020 Colon cancer is classified as stage IV or metastatic when the cancer has spread to distant locations in the body and cannot be primarily treated with surgery; this may include the liver, lungs, bones, distant lymph nodes or other sites.
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Polyps are abnormal growths that start in the inner lining of the colon or rectum. Some polyps are flat while others have a stalk. Colorectal polyps can grow in any part of the colon. Most often, they grow in the left side of the colon and in the rectum.