Cancers of the digestive system mainly include esophageal, gastric, liver, gallbladder, pancreatic, and colorectal cancers.

Take this chart, for instance ... Related stories There's a rise in young cancers of the digestive system with aggressive features Ogino is the coauthor of a recent study published in Nature ...

You and your doctor can use something called the Bristol Stool Scale or Bristol Stool Chart. It uses pictures ... a long time to get through your digestive system. When that happens, more of ...