Malignant Gastric Gastrointestinal Stromal Tumor

**Semantic type:** Neoplastic Process

**Definition:** A gastrointestinal stromal tumor that arises from the stomach and is characterized by large size (diameter greater than 10 cm) or more than 5 mitotic figures per 50 high power fields.

**Synonyms:** - Gastric Malignant Gastrointestinal Stromal Tumor - Gastric Malignant Gastrointestinal Stromal Tumor