Bleeding and others: Rectal bleeding, weight loss, change in bowel habits, and anemia are the most common. Unfortunatley many are asymptomatic until the tumor is large.
Answered 3/12/2020
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Variable: Obstruction constipation bleeding weight loss feeling of fullness some are not symptomatic until late and have spread.
Answered 2/28/2013
5.3k views
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