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Changes in bowel habits are often ignored, but they can sometimes be early warning signs of colon cancer. Symptoms may include blood in the stool, changes in stool shape or consistency, and noticeable differences in how often you use the bathroom. While these signs do not automatically mean cancer, they should not be overlooked if they continue over time.
One of the most common early changes is the appearance of narrow or “pencil-like” stools. Some people may also experience rectal bleeding, abdominal discomfort, fatigue, or a persistent feeling that the bowel has not fully emptied after a movement. These symptoms can also be linked to other digestive conditions, making proper medical evaluation important.