Low likelihood : At age 19 and if without family history cancer is unlikely but colitis is possible. You need to have it checked out.
Answered 5/18/2014
4.9k views
Probably not.: More common causes of blood in stool include hemorrhoids. It would be exceedingly rare for a 19 year old to have colon cancer. If the bleeding does not stop, see your physician.
Answered 4/30/2015
4.9k views
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