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.
Here are some of the common signs and symptoms of: 1  NO SYMPTOM AT ALL. 2  Diarrhea (that will not stop) that lasts for more than a few days, not just after eating Taco Bell. 3  Constipation (you canât âgoâ to save your life) that lasts for more than a few days. 4  Unintended or unexplained weight loss (or weight gain) 5  Vomiting.
Early on, colon cancer causes no symptoms. Later, its symptoms can be similar to those of inflammatory bowel disease (IBS) -- abdominal pain, cramping, bloating, gas pains, and a change in bowel patterns. In addition, blood in the stool or rectal bleeding is often present.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.