Chest Wall Fibromatosis

**Semantic type:** Neoplastic Process

**Definition:** An extraabdominal fibromatosis arising from the soft tissue of the chest wall. It is characterized by the presence of elongated spindle-shaped fibroblasts, collagenous stroma formation, and an infiltrative growth pattern.

**Synonyms:** - Chest Wall Desmoid Neoplasm - Chest Wall Desmoid Tumor - Desmoid Neoplasm of Chest Wall - Desmoid Neoplasm of the Chest Wall - Desmoid Tumor of Chest Wall - Desmoid Tumor of the Chest Wall