Benign Mediastinal Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** A neoplasm that arises from the mediastinum and is characterized by the absence of atypical or malignant cytological and architectural features, and absence of invasive features or metastatic potential. Representative examples include lipoma, leiomyoma, and schwannoma.

**Synonyms:** - Benign Mediastinal Neoplasms NOS - Benign Mediastinal Tumor - Benign Neoplasm of Mediastinum - Benign Neoplasm of the Mediastinum - Benign Tumor of Mediastinum - Benign Tumor of the Mediastinum