Gastric carcinoma is very rare in cats. In this case report, a gastric adenocarcinoma in achronically uremic cat is described. The cat presented with vomiting, dysorexia and weight loss.The ultrasound examination demonstrated an ultrasonographic pseudolayering effect on thegastric wall, which is suggested as a specific sign of adenocarcinoma. On histopathology, thisadenocarcinoma was organized, and a continuous intralymphatic infiltration line was visibleunderneath the muscularis mucosae, which might explain the pseudolayering effect.