If one swallows a gum, it does not stay in the stomach for seven years as the body can safely pass the gum within a few days.
If someone swallows a gum, it passes through the esophagus into the small intestine. The small intestine absorbs sugars and nutrients. The indigestible portion of the gum moves from the small intestine through the colon. It passes through the rectum during the bowel movement.