stage IV thymoma
Pronunciation: (... thy-MOH-muh)
Stage IV is divided into stages IVA and IVB, depending on where the cancer has spread. In stage IVA, cancer has spread widely around the lungs and heart. In stage IVB, cancer has spread to the blood or lymph system.
Source: NCI Dictionary of Cancer Terms2012-09-13Thymoma and Thymic Carcinoma TreatmentTratamiento del timoma y carcinoma tímico