The cancer cells can separate from the tumor and travel through the bloodstream to other parts of the body. There they divide and grow and start new tumors made of malignant cells. However, cancer is not contagious. You can not give it to someone else. There are more than 100 different types of cancer which can affect any part of the body.
Colon cancer is a disease in which cancer cells are found in the tissues of the colon or rectum.
Unfortunately, when colon cancer develops, there are usually few , if any, warning symptoms. In some cases, patients in our practice have had no warning signals or symptoms at all. It is really a silent disease. That is the biggest problem. The cancer can be in your colon for years before you notice any symptoms such as a change in bowel habits, rectal bleeding, abdominal pain, stools that are narrower than usual, or unexplained weight loss.