Lesions on the right side are accompanied by melena and dull abdominal ache. Left-sided lesions are associated with the additional symptoms.
Abdominal (tummy) pain, changes in bowel habits, such as more frequent, looser stools, and blood in the stools (feces), are the three main symptoms of bowel cancer. The majority of those who experience these symptoms, however, do not have bowel cancer.
persistent blood in your feces—which can occur suddenly or be related to a change in bowel habits. a long-lasting alteration in your bowel habits, which typically involves having to poop more frequently and possibly having runnier poop.
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