When they say colon cancer bleeds intermittently, do they mean every few days?week?, months?years? my dr said most colon cancers bleed continuously.

Unpredictably irregu: Most colon cancers bleed irregularly and would cause serious other complications within 6-12 months, if left untreated. They increase in size and can obstruct the lumen of the colon and also tend tio spread often to the liver..All within a period of 1-2 years.

Colon Cancer Bleed: The colon cancers that bleed are usually located on the right side of the colon. The bleeding from these cancers is usually very slow and are not often detected by the naked eye. You may notice that your bowel movements appear darker in color. More significant bleeding would appear bright red.