Smoking has been found to increase the risk of cancers of the3 - mouth - esophagus - stomach - pancreas 3 , 4 , 5 - liver - colon - rectum More information about the link between smoking and cancers of the digestive system can be found on the National Cancer Institute website at www. cancer. gov/cancertopics/tobacco/smoking. 
Who is at risk for Smoking and the Digestive System? ?