Gastric Inflammatory Myofibroblastic Tumor

**Semantic type:** Neoplastic Process

**Definition:** An intermediate fibroblastic neoplasm that arises from the stomach and is characterized by the presence of spindle-shaped fibroblasts and myofibroblasts, and a chronic inflammatory infiltrate composed of eosinophils, lymphocytes, and plasma cells.

**Synonyms:** - Gastric Inflammatory Myofibroblastic Neoplasm - Inflammatory Gastric Pseudotumor - Inflammatory Myofibroblastic Neoplasm of Stomach - Inflammatory Myofibroblastic Neoplasm of the Stomach - Inflammatory Myofibroblastic Tumor of Stomach - Inflammatory Myofibroblastic Tumor of the Stomach - Inflammatory Pseudotumor of Stomach - Inflammatory Pseudotumor of the Stomach