Changes

Usually chronic and often dependent on the site of the tumour within the gastrointestinal tract. Signs include:

Usually chronic and often dependent on the site of the tumour within the gastrointestinal tract. Signs include:

* For more proximal lesions:

* For more proximal lesions:

** vomiting

** Vomiting

* For lesions within the small intestine:

* For lesions within the small intestine:

** Weight loss

** Weight loss

** Signs associated with acute intestinal obstruction (usually when the tumour has grown in an annular form), perforation and peritonitis

** Signs associated with acute intestinal obstruction (usually when the tumour has grown in an annular form), perforation and peritonitis

Associated paraneoplastic abnormalities include:

Associated paraneoplastic abnormalities include:

* Neutrophilic leukocytosis

* Neutrophilia

* Monocytosis

* Monocytosis

* Eosinophilia

* Eosinophilia