Source:http://linkedlifedata.com/resource/umls/id/C0153504
NCI: A primary or metastatic malignant neoplasm affecting the mediastinum. Representative examples of primary malignant mediastinal neoplasms include malignant germ cell tumors, malignant mesenchymal tumors, lymphomas, and malignant peripheral nerve sheath tumors. A representative example of metastatic malignant neoplasm to the mediastinum is the metastatic carcinoma to the mediastinum from another anatomic site.