Diagnosis is
High-Yield Explanation
This is a specimen of linitis plastica, a diffuse type of gastric carcinoma.These infiltrative tumors often evoke a desmoplastic reaction that stiffens the gastric wall. When there are large areas of infiltration, diffuse rugal flattening and a rigid, thickened wall may impa a leather bottle appearance termed linitis plastica.Meitner&;s disease has hyperophic gastric folds.Ref: Robbins Pathology; 9th edition; Page no: 772