| 1
.
| Area of fusion between upper and middle lobes |
| 2
.
| Right main bronchus |
| 3
.
| Area of fusion between middle and lower lobes |
| 4
.
| Interlobar surface lower lobe |
| 5
.
| Superior branch of lower lobe, right pulmonary artery |
| 6
.
| Superior segmental bronchus |
| 7
.
| Bronchopulmonary lymph nodes |
| 8
.
| Basilar part right pulmonary artery |
| 9
.
| Lower lobe |
| 10
.
| Upper lobe (reflected across midline) |
| 11
.
| Interlobar surface upper lobe |
| 12
.
| Right superior pulmonary vein (posterior branch to upper lobe) |
| 13
.
| Right pulmonary artery (ascending branch of interlobar part) |
| 14
.
| Right pulmonary artery (interlobar part) |
| 15
.
| Right superior pulmonary vein (branch to middle lobe and anterior segment of upper lobe, cut off) |
| 16
.
| Right pulmonary artery (branch to middle lobe) |
| 17
.
| Bronchus of middle right lobe |
| 18
.
| Right inferior pulmonary vein (branch to middle lobe) |
| 19
.
| Middle lobe (pointer on interlobar surface) |
| 20
.
| Pericardium |
