Gastric Neoplasia
•Uncommon in older horses
•Squamous cell carcinoma, most common
–Others:
lymphosarcoma, adenosarcoma
•Arises
from squamous mucosa and metastasizes to the abdominal cavity and viscera and/or extends
up the esophagus
•Clinical signs:
–Chronic
weight loss
–Anemia
–Naso-gastric
reflux
–Colic