Gastric Diffuse Adenocarcinoma

**Semantic type:** Neoplastic Process

**Definition:** An adenocarcinoma that arises from the stomach and is characterized by the presence of a diffuse infiltrate composed of individual adenocarcinoma cells or groups of adenocarcinoma cells in a fibrous or mucoid stroma. Many cells contain mucin droplets producing a signet-ring configuration.

**Synonyms:** - Adenocarcinoma of Linitis Plastica Type - Adenocarcinoma of the Linitis Plastica Type - Diffuse - Diffuse Adenocarcinoma of Stomach - Diffuse Adenocarcinoma of the Stomach - Diffuse Gastric Adenocarcinoma - Diffuse Gastric Adenocarcinoma - Diffuse Stomach Adenocarcinoma