Intermediate bronchus. It only exists in the right lung, with a diameter of 12 mm and length of 20, leads to the middle lobe, which is at hour 9 in this image, and to the lower lobe, towards the bottom.

Intermediate bronchus. It only exists in the right lung, with a diameter of 12 mm and length of 20, leads to the middle lobe, which is at hour 9 in this image, and to the lower lobe, towards the bottom.