Malignant Gastrointestinal Stromal Tumor

**Semantic type:** Neoplastic Process

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

**Synonyms:** - GASTROINTESTINAL STROMAL TUMOR, MALIGNANT - GIST, Malignant - GIST, malignant - Gastrointestinal stromal tumor, malignant - Gastrointestinal stromal tumor, malignant