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→Symptoms & Diagnosis
==Symptoms & Diagnosis==
==Symptoms & Diagnosis==
[[Image:ColonCancer.gif|left|thumb|400px|Progression of colon polyp to cancer]]
[[Image:ColonCancer.gif|left|thumb|400px|Progression of colon polyp to cancer]]
Many people with colon cancer have no symptoms at all. In people who do have symptoms, the most common ones are:
# Abdominal pain — 44 percent
# Change in bowel habit — 43 percent
# Hematochezia or melena — 40 percent
# Weakness — 20 percent
# Anemia without other gastrointestinal symptoms — 11 percent
# Weight loss — 6 percent
==Treatment & Prognosis==
==Treatment & Prognosis==