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
5 Surprising Signs of Colon Cancer Colon cancer is a malignant degeneration of the colon epithelium. Like in many other types of cancer, the early symptoms of the colon cancer are vague and implicit, so people rarely pay attention to them.