label: Benign Mediastinal Soft Tissue Neoplasm
label_lc: benign mediastinal soft tissue neoplasm
description: A mesenchymal 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 rhabdomyoma.