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Colorectal Cancer Health Center

Colorectal Cancer Overview

Colon cancer and cancer of the rectum usually begin as a small polyp. While most colon polyps are benign, some do become cancerous. Colon cancer symptoms may include a change in bowel habits or bleeding, but usually colon cancer strikes without symptoms. That’s why it’s important to get a colon cancer screening test, such as a colonoscopy. If the cancer is found early, the doctor can use surgery, radiation, and/or chemotherapy for effective treatment.

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Ginger May Have Cancer-Fighting Qualities
Ginger supplements appear to lower some indicators of inflammation in the colon, a new study shows.

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Understanding Colorectal Cancer -- Symptoms

What Are the Symptoms of Colorectal Cancer?

In its early stage, colorectal cancer usually produces no symptoms. The most likely warning signs include:

  • Changes in bowel movements, including persistent constipation or diarrhea, a feeling of not being able to empty the bowel completely, an urgency to move the bowels, rectal cramping, or rectal bleeding
  • Dark patches of blood in or on stool; or long, thin, "pencil stools"
  • Abdominal discomfort or bloating
  • Unexplained fatigue, loss of appetite, and/or weight loss
  • Pelvic pain, which occurs at later stages of the disease
Understanding Colorectal Cancer -- Symptoms