Fig. 1
Chest radiograph indicating atelectasis of the right middle and lower lung (a). Computed tomography shows a 2.1 × 3.2 cm2 inhomogeneous tumorous lesion (yellow arrow) in the right superior mediastinum on axial views (b mediastinal windows; c lung windows) and coronal views (d mediastinal windows; e lung windows). Bronchoscopy shows tracheal carina (f) and right-side mainstem bronchus (g) blocked by a tumorous protrusion (green arrow) with active hemorrhage