Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40792-018-0445-0/MediaObjects/40792_2018_445_Fig2_HTML.gif)
a Intraoperative findings (top, cranial side; left, ventral side) and b a schematic diagram. Mediastinal A4 + 5, A8, and A9 + 10 branches entered the lingular and basal segment. The A6 branch extended through the dorsal side separately
a Intraoperative findings (top, cranial side; left, ventral side) and b a schematic diagram. Mediastinal A4 + 5, A8, and A9 + 10 branches entered the lingular and basal segment. The A6 branch extended through the dorsal side separately