👉 A megacolon is a type of cancer that occurs in the small intestine. It is also known as Crohn's disease, which is an autoimmune disorder characterized by inflammation and damage to the lining of the small intestine. The specific cause for this condition is not fully understood, but it is thought to be caused by an immune response against the bacteria that live in the gut. Megacolons are most common in children and can affect anyone who has a history of Crohn's disease or other
