Blood clots, especially those that originate in the brain, can occur very quickly. If there are lots of veins around to adequately redirect blood flow, the clot will stop growing at a certain point and the body can accommodate it indefinitely. It may even disappear with time.
Signs and symptoms of colon cancer include: A change in your bowel habits, including diarrhea or constipation or a change in the consistency of your stool, that lasts longer than four weeks Rectal bleeding or blood in your stool
Colon cancer stages and symptoms. Colon cancer has four stages, with stage IV as the most severe stage because it means the cancer cells have spread (metastasized) to other organs like the liver (or lungs, lymph nodes, stomach or other organs).