Anal Cancer: Causes, Symptoms, Diagnosis and Treatment | Healthmad
source: http://healthmad.com/conditions-and-diseases/anal-cancer-causes-symptoms-diagnosis-and-treat...
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Anal cancer constitutes 1-2% of gastrointestinal cancers (colon, stomach, liver, pancreas, and oesophagus), but this unusual growth or tumor is dangerous as it can be life-threatening if left ignored and untreated. It causes 600 people to die in the United States annually with 4,000 new cases being diagnosed for anal cancer each year.
