6Rectal Bleeding
Because of how cancer cells are formed in the last part of the digestive tract in the case of colon cancer, more than 50 percent of patients experience bleeding from the rectum. It may not necessarily be mixed in with the stool, though you might go through painful bowel movements and notice a bright red color on the toilet paper or in the toilet bowl.
But before you jump to any conclusions, it would be better to first eliminate the suspicion of hemorrhoids when you notice the above symptoms.
