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Colorectal Cancer, Commonly Known As Colon Cancer or Bowel Cancer, Is A

Colorectal cancer is a cancer that develops in the colon or rectum due to uncontrolled cell growth. Symptoms often include rectal bleeding and anemia. Most colorectal cancer is due to lifestyle and increasing age, though some cases are from genetic disorders. Screening between ages 50-75 can effectively decrease death from colorectal cancer. Cancers confined to the colon wall can often be cured with surgery, while widespread cancer is usually not curable and focuses on chemotherapy and quality of life. Colorectal cancer is the third most commonly diagnosed cancer worldwide.

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46 views1 page

Colorectal Cancer, Commonly Known As Colon Cancer or Bowel Cancer, Is A

Colorectal cancer is a cancer that develops in the colon or rectum due to uncontrolled cell growth. Symptoms often include rectal bleeding and anemia. Most colorectal cancer is due to lifestyle and increasing age, though some cases are from genetic disorders. Screening between ages 50-75 can effectively decrease death from colorectal cancer. Cancers confined to the colon wall can often be cured with surgery, while widespread cancer is usually not curable and focuses on chemotherapy and quality of life. Colorectal cancer is the third most commonly diagnosed cancer worldwide.

Uploaded by

Khaled Soliman
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© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Colorectal cancer, commonly known as colon cancer or bowel cancer, is a cancer

from uncontrolled cell growth in the colon or rectum (parts of the large intestine), or
in the appendix. Genetic analysis shows that essentially colon and rectal tumours are
genetically the same cancer.[1] Symptoms of colorectal cancer typically include rectal
bleeding and anemia which are sometimes associated with weight loss and changes in
bowel habits.
Most colorectal cancer occurs due to lifestyle and increasing age with only a minority
of cases associated with underlying genetic disorders. It typically starts in the lining of
the bowel and if left untreated, can grow into the muscle layers underneath, and then
through the bowel wall. Screening is effective at decreasing the chance of dying from
colorectal cancer and is recommended starting at the age of 50 and continuing until a
person is 75 years old. Localized bowel cancer is usually diagnosed through
sigmoidoscopy or colonoscopy.
Cancers that are confined within the wall of the colon are often curable with surgery
while cancer that has spread widely around the body is usually not curable and
management then focuses on extending the person's life via chemotherapy and
improving quality of life. Colorectal cancer is the third most commonly diagnosed
cancer in the world, but it is more common in developed countries. Around 60% of
cases were diagnosed in the developed world. It is estimated that worldwide, in 2008,
1.23 million new cases of colorectal cancer were clinically diagnosed, and that it
killed 608,000 people.[2]

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