Source:http://linkedlifedata.com/resource/umls/id/C0879280
NCI: Cancer has spread to the chest wall, mediastinum, heart, lining of the peritoneum, and/or beyond the diaphragm. Cancer may also have spread to lymph nodes on the other side of the chest or outside the chest. Stage III malignant mesothelioma is advanced malignant mesothelioma.