colorectal cancer happens when cells that are not normal grow in your colon or rectum. these cells grow together and form tumors. this cancer is also called colon cancer or rectal cancer. it is the third most common cancer in the united states. and it occurs most often in people older than 50. when it is found early it is easily treated and often cured. but because it usually is not found early it is the second leading cause of cancer deaths in the united states. 1 screening tests can prevent this cancer but fewer than half of people older than 50 are screened. according to the american cancer society if everyone were tested tens of thousands of lives could be saved each year. webmd medical reference from healthwise this information is not intended to replace the advice of a doctor. healthwise disclaims any liability for the decisions you make based on this information. © 1995-2011 healthwise incorporated. healthwise healthwise for every health decision and the healthwise logo are trademarks of healthwise incorporated.
what is colorectal cancer?