disease has location neoplasm neoplasm of thorax neoplasm of mediastinum mediastinal neoplasm ICD9:239.89 mediastinal tumour tumour of mediastinum neoplasm of mediastinum NCIT:C3221 tumour of the mediastinum mediastinum neoplasm tumor of mediastinum UMLS:C0025063 neoplasm of the mediastinum MONDO:0021386 mediastinal tumor SCTID:126725000 tumor of the mediastinum mediastinum neoplasm (disease) mediastinum tumor A neoplasm (disease) that involves the mediastinum. mediastinum tumour MEDGEN:44322 mediastinum