Gastric Adenocarcinoma with Parietal Cell Differentiation

**Semantic type:** Neoplastic Process

**Definition:** An adenocarcinoma of the stomach characterized by the presence of malignant epithelial cells that arise from, or differentiate towards parietal cells and exhibit eosinophilic, finely granular cytoplasm.

**Synonyms:** - Gastric Oncocytic Adenocarcinoma - Gastric Oncocytic Carcinoma - Gastric Parietal Cell Adenocarcinoma - PCGC - Parietal Cell Adenocarcinoma - Parietal cell adenocarcinoma