Changes

* Dogs:

* Dogs:

** Mean age: 6-9 years

** Mean age: 6-9 years

** Minor male predisposition in dogs and cats

** Minor male predisposition

** Large breeds may predominate particularly collies and German Sheperds

** Large breeds may predominate particularly collies and German Sheperds

* Cats:

* Cats:

** Mean age: 10-12 years

** Mean age: 10-12 years

** Minor male predisposition in dogs and cats

** There are conflicting reports of whether there is a minor male predisposition

** Siamese may have a breed predisposition

** Siamese may have a breed predisposition

==Description==(aetiology, pathogenesis etc)

==Description==(aetiology, pathogenesis etc)

* Aetiology remains idiopathic

* No organism or chemical agent has been identified that will induce spontaneous intestinal adenocarcinoma