Fig. 1A.43-year-old woman with stage IV invasive thymoma.
Posteroanterior chest radiograph shows contour abnormality of left anterior
mediastinum (arrow) with circumferential nodular left pleural
thickening.
Fig. 1B.43-year-old woman with stage IV invasive thymoma. Chest CT
scan confirms lobulated left anterior mediastinal mass (curved arrow)
associated with nodular pleural implant (straight arrow) along
lateral aspect of left hemithorax.
Fig. 1C.43-year-old woman with stage IV invasive thymoma.
Photomicrograph of histopathologic specimens shows lymphocytes and epithelial
cell clusters with thick fibrous bands, consistent with thymoma. (H and E, low
power)