Symptoms of Ménétrier's Disease

Symptoms include pain or discomfort and tenderness in the top middle part of the abdomen, loss of appetite, nausea, vomiting, diarrhea, vomiting blood, swelling in the abdomen, and ulcer-like pain after eating.

source: http://digestive.niddk.nih.gov/ddiseases/pubs/menetrier/index.htm