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. 2021 Jan 21;16:15. doi: 10.1186/s13019-021-01392-3

Fig. 1.

Fig. 1

Preoperative chest computed tomography images and bronchoscopic image. Chest computed tomography (CT) revealed a tumor in the left inferior lobe (a) and hyperlobulation between S1 + 2 and S3 (red arrow), while the interlobar fissure between S1 + 2 and S6 was completely fused (b). CT revealed a displaced B1 + 2 running behind the main pulmonary artery (c). Bronchoscopy revealed that three bronchi branched from the left main bronchus (d).