Fig. 1

Computed tomography scan results showing two pulmonary nodules and swollen interlobar node. a A 30-mm nodule in the center of the antero-basal segment of the left lower lobe. Suspicious interlobar invasion of S8 tumor (black arrowhead) and interlobar fissure (white arrow). b Another nodule in the lateral segment of the left lower lobe. c A swollen interlobar lymph node