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  2. Megacolon - Wikipedia

    en.wikipedia.org/wiki/Megacolon

    A human colon is considered abnormally enlarged if it has a diameter greater than 12 cm [3] in the cecum (it is usually less than 9 cm [4]), greater than 6.5 cm [3] in the rectosigmoid region and greater than 8 cm [3] for the ascending colon. The transverse colon is usually less than 6 cm in diameter. [4] A megacolon can be either acute or ...

  3. Why does colon cancer grow so fast? Study points to new ways ...

    www.aol.com/why-does-colon-cancer-grow-222144382...

    A newly identified colon cancer gene may drive the disease by making the environment in the vicinity of tumors more hospitable to them, researchers say. Why does colon cancer grow so fast? Study ...

  4. Somatic evolution in cancer - Wikipedia

    en.wikipedia.org/wiki/Somatic_evolution_in_cancer

    In this way, a population of mutant cells, called a clone, can expand in the neoplasm. Clonal expansion is the signature of natural selection in cancer. Cancer therapies act as a form of artificial selection, killing sensitive cancer cells, but leaving behind resistant cells. Often the tumor will regrow from those resistant cells, the patient ...

  5. Malignant transformation - Wikipedia

    en.wikipedia.org/wiki/Malignant_transformation

    Colon cancer provides one example of the mechanisms by which diet, the top factor listed in the table, is an external factor in cancer. The Western diet of African Americans in the United States is associated with a yearly colon cancer rate of 65 per 100,000 individuals, while the high fiber/low fat diet of rural Native Africans in South Africa is associated with a yearly colon cancer rate of ...

  6. Why does colon cancer grow so fast? Study points to new ways ...

    www.aol.com/news/why-does-colon-cancer-grow...

    A newly identified colon cancer gene may drive the disease by making the environment in the vicinity of tumors more hospitable to them, researchers say. ... 800-290-4726 more ways to reach us ...

  7. Ogilvie syndrome - Wikipedia

    en.wikipedia.org/wiki/Ogilvie_syndrome

    Ogilvie syndrome, or acute colonic pseudo-obstruction, is the acute dilatation of the colon in the absence of any mechanical obstruction in severely ill patients. [1]Acute colonic pseudo-obstruction is characterized by massive dilatation of the cecum (diameter > 10 cm) and right colon on abdominal X-ray.

  8. Colorectal cancer - Wikipedia

    en.wikipedia.org/wiki/Colorectal_cancer

    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]

  9. Colorectal polyp - Wikipedia

    en.wikipedia.org/wiki/Colorectal_polyp

    Level 0: Cancer does not penetrate through the muscularis mucosa. [9] Level 1: Cancer penetrates through the muscularis mucosa and invades the submucosa below but is limited to the head of the polyp. [9] Level 2: Cancer invades through with involvement of the neck of polyp. [9] Level 3: Cancer invades through with involvement of any parts of ...