NCIt synonyms : Mediastinal Soft Tissue Tumor; Soft Tissue Neoplasm of Mediastinum; Soft Tissue Neoplasm of the Mediastinum; Soft Tissue Tumor of Mediastinum; Soft Tissue Tumor of the Mediastinum; Mediastinal Mesenchymal Neoplasm;
NCIt definition : A benign or malignant mesenchymal neoplasm that arises from the mediastinum. Representative
examples of benign mediastinal mesenchymal neoplasms include chondromas, leiomyomas,
lipomas, and rhabdomyomas. Representative examples of malignant mediastinal mesenchymal
neoplasms include angiosarcomas, leiomyosarcomas, liposarcomas, osteosarcomas, rhabdomyosarcomas,
and synovial sarcomas.;