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
Signs and symptoms. The three main symptoms of bowel cancer are blood in the stools (faeces), changes in bowel habit (such as to more frequent, looser stools) and abdominal (tummy) pain. However, these symptoms are very common and most people with them do not have bowel cancer.For example, blood in the stools is more often caused by haemorrhoids (piles), and a change in bowel habit or abdominal pain is usually due to something you have eaten.As almost nine out of 10 people with bowel cancer are over 60 years old, these symptoms are more important as people get older.owever, these symptoms are very common and most people with them do not have bowel cancer. For example, blood in the stools is more often caused by haemorrhoids (piles), and a change in bowel habit or abdominal pain is usually due to something you have eaten.