Figure 1. a–c.

CT images of a 63-year-old male smoker with a cavitated noncalcified pulmonary nodule (a, arrow) who underwent TTFNA (b, arrow). Post-biopsy pneumothorax (c, arrow) with patient in prone position; note the absence of pulmonary hemorrhage. Cytological result of TTFNA was pulmonary adenocarcinoma.