symptoms for bowel cancer
Symptoms of bowel cancer. The symptoms of bowel (colorectal) cancer can include. 1  Bleeding from the back passage (rectum) or blood in your poo. 2  A change in normal bowel habits. 3  A lump that your doctor can feel in your back passage or abdomen (more commonly on the right side).he symptoms of bowel (colorectal) cancer can include. 1  Bleeding from the back passage (rectum) or blood in your poo. 2  A change in normal bowel habits. 3  A lump in your abdomen (more commonly on the right side) or in your rectum. 4  A straining feeling in the rectum. 5  Losing weight.