Chest Wall Plexiform Fibrohistiocytic Tumor

**Semantic type:** Neoplastic Process

**Definition:** An intermediate fibrohistiocytic neoplasm arising from the skin in the chest wall. It is a multinodular poorly circumscribed tumor, characterized by the presence of multinucleated giant cells, mononuclear histiocyte-like cells, and spindle fibroblast-like cells arranged in a plexiform pattern.

**Synonyms:** - Chest Wall Plexiform Fibrohistiocytic Neoplasm - Plexiform Fibrohistiocytic Neoplasm of Chest Wall - Plexiform Fibrohistiocytic Neoplasm of the Chest Wall - Plexiform Fibrohistiocytic Tumor of Chest Wall - Plexiform Fibrohistiocytic Tumor of the Chest Wall