Some Signs and symptoms of colon cancer are.
Changes 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, Persistent abdominal discomfort, such as cramps, gas and/or pain, A feeling that your bowel doesn't empty completely, Weakness or fatigue, Unexplained weight loss.
If you think you have Colon Cancer you should get tested because if colon cancer is caught soon enough it can usually be cured.
Colon Cancer Screenings should always be done by the time you reach age 50 and continue to have those colon cancer screenings often enough to catch anything should colon cancer occur.