<Ul> <Li> Gastrointestinal cancer may occur at any point in the gastrointestinal tract, and includes mouth cancer, tongue cancer, oesophageal cancer, stomach cancer, and colorectal cancer . </Li> <Li> Inflammatory conditions . Ileitis is an inflammation of the ileum, colitis is an inflammation of the large intestine . </Li> <Li> Appendicitis is inflammation of the appendix located at the caecum . This is a potentially fatal condition if left untreated; most cases of appendicitis require surgical intervention . </Li> </Ul> <Li> Gastrointestinal cancer may occur at any point in the gastrointestinal tract, and includes mouth cancer, tongue cancer, oesophageal cancer, stomach cancer, and colorectal cancer . </Li> <Li> Inflammatory conditions . Ileitis is an inflammation of the ileum, colitis is an inflammation of the large intestine . </Li> <Li> Appendicitis is inflammation of the appendix located at the caecum . This is a potentially fatal condition if left untreated; most cases of appendicitis require surgical intervention . </Li>

One of two organs embryologically derived from the digestive tract