What does a hyphen look like? â is a punctuation mark used to join words and to separate syllables of a single word.
Definition of gastrointestinal tract. medical. : the part of the digestive system that consists of the stomach and intestines.
Updated March 20, 2017. Gastrointestinal cancer is a term that encompasses a group of cancers that affect the gastrointestinal tract. Types of gastrointestinal cancer include: esophageal cancer. stomach cancer. gallbladder cancer. gastrointestinal stromal tumors. liver cancer.