What is the definition or description of: large bowel obstruction?

Colon obstruction: It means that there is an obstruction in the colon that does not allow food or fluid to pass. This could be from an infection or from cancer- but it needs to be dealt with.

Blockage of colon: A large bowel obstruction is a blockage of the colon. This can be caused by a mass such as a polyp or cancer or can be due to inflammation such as diverticulitis. It can also be caused by a hernia or a twisting of the colon or volvulus.