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One study involving more than 1 million people with colon cancer from 2004 to 2015 found that 51.6% of those under 50 were diagnosed with stage three or four cancer, while 40% of people over 50 ...
Colorectal cancer (CRC), also known as bowel cancer, colon cancer, or rectal cancer, is the development of cancer from the colon or rectum (parts of the large intestine). [5] Signs and symptoms may include blood in the stool , a change in bowel movements , weight loss, abdominal pain and fatigue. [ 9 ]
The most common form of colon cancer is adenocarcinoma, constituting between 95% [2] and 98% [3] of all cases of colorectal cancer. Other, rarer types include lymphoma, adenosquamous and squamous cell carcinoma. Some subtypes have been found to be more aggressive. [4]
Treatment consists of intravenous fluids, antibiotics, and avoiding oral intake of food, water, etc. until symptoms improve. Risk factors include right colon polypectomy, large polyp size (>2 cm), non-polypoid lesions (laterally spreading lesions), and hypertension. [47] Although rare, infections of the colon are a potential colonoscopy risk.
Colorectal cancer rates in people under 55 are increasing and it's more advanced. Experts are unsure why, but think diet, exercise and environment play a role.
Colon cancer staging is an estimate of the amount of penetration of a particular cancer. It is performed for diagnostic and research purposes, and to determine the best method of treatment. The systems for staging colorectal cancers depend on the extent of local invasion, the degree of lymph node involvement and whether there is distant metastasis.
The procedure may also be used for treatment such as cauterization of a bleeding vessel, widening a narrow esophagus, clipping off a polyp or removing a foreign object. [ 6 ] Specialty professional organizations that specialize in digestive problems advise that many patients with Barrett's esophagus receive endoscopies too frequently. [ 7 ]
Cancer of the descending colon is a serious disease. A person can have colon cancer yet have no symptoms in the early stages. As such, regular colorectal examinations or fecal occult blood testing are necessary for catching the disease in its early stages.
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