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

Fig. 3.

Fig. 3

Intraoperative findings. Hyperlobulation was seen between S1 + 2 and S3, and a largely fused fissure was observed between S1 + 2 and S6 (a). The inferior pulmonary vein (IPV) was identified on the posterior side of the mediastinal pleura (b). In the process of peeling away the proximal V1 + 2, we were able to clearly distinguish between B1 + 2 and B6 on the posterior side (c). The branch of V1 + 2 running between S1 + 2 and S6 was used as a landmark when dividing the fissure between S1 + 2 and the inferior lobe (d)