Changes

[[Image:adenocarcinoma stomach histopath2.jpg|thumb|right|100px|Adenocarcinoma- histological (Courtesy of BioMed Image Archive)]]

[[Image:adenocarcinoma stomach histopath2.jpg|thumb|right|100px|Adenocarcinoma- histological (Courtesy of BioMed Image Archive)]]

* Adenocarcinoma is the most common gastric neoplasm in small animals.

** This is a tumour of the mucosal epithelium.

Adenocarcinoma is the most common gastric neoplasm in small animals.

* These are genreally found in the fundus (particularly along the lesser curvature), and in the pylorus.

* This is a tumour of the mucosal epithelium.

* There are two main internal appearances of gastric adenocarcinoma, both of which show thickened, oedematous, pale and firm tissue:[[Image:adenocarcinoma stomach.jpg|thumb|right|100px|Adenocarcinoma- gross (Courtesy of BioMed Image Archive)]]

These are genreally found in the fundus (particularly along the lesser curvature), and in the pylorus. There are two main internal appearances of gastric adenocarcinoma, both of which show thickened, oedematous, pale and firm tissue:[[Image:adenocarcinoma stomach.jpg|thumb|right|100px|Adenocarcinoma- gross (Courtesy of BioMed Image Archive)]]

*# A diffuse infiltration of gastric mucosa by neoplastic glandular epithelial cells.

*# A diffuse infiltration of gastric mucosa by neoplastic glandular epithelial cells.

*#* Causes a diffuse rugal thickening.  

*#* Causes a diffuse rugal thickening.