stage III malignant mesothelioma (...muh-LIG-nunt meh-zuh-thee-lee-OH-muh)
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.