Fig. 1: Representative computer tomography images of 8 patients, illustrating tumor localization and extension.

A Patient 1: tumor localized in the anterior mediastinum (insert PET-CT scan). B Diffuse involvement of the thoracic wall with extension into the left axilla (patient 2). C, E, G Intrapulmonary localized tumor in patient 3, 6, 8, and 5 (not shown). Involvement of the pleura in patient 4 and 7. D, F Patient 9: tumor localized in the posterior mediastinum (insert PET-CT scan) (H).