3VV |
The
long-axis of MPA, RPA and DA, the short-axis of AAO, SVC and
DAO. |
BPAB |
MPA, the bifurcation into the RPA and LPA and the short-axis of
AAO, DAO and SVC. |
3VT |
The V-shape formed by DA and AAO, the short-axis of SVC and DAO,
trachea. |
LIV and AzV |
SVC is joined by both the LIV and the posteroanterior
drainage of AzV. |
BSA |
The S-shaped formed by BSA. |
BITA |
The thymus is located in the middle of the chest and laterally by
BITA. |