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
Symptoms can include bleeding, anemia, abdominal pain and unexplained weight loss. Through screening it's possible to lower the cancer rates and, most importantly, lower the colorectal death rate.ymptoms of colon cancer include: 1  Bleeding from the rectum. 2  Blood (bright red or very dark) in the stool or toilet after a bowel movement. 3  A change, or narrowing of the stool. 4  Cramping or pain in the abdomen. 5  Feeling the need to have a bowel movement, but not having one.