PMC5102103_01
Contrast-enhanced chest CT at diagnosis. Arrows show tumour mass in left main bronchus (upper image) and in right lower lobe (lower image).
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F0001
A chest CT demonstrated two RLL lesions (T3), ipsi- and contralateral mediastinal lymphadenopathy (N3), and an intraluminal lesion obstructing left main bronchus (M1a) (Fig. 1).