3-7.
OBLIQUE RIBS, ABOVE DIAPHRAGM
The oblique rib above the diaphragm can be any one of four obliques: an RPO,
an LPO, an RAO, or an LAO. Only one of the four obliques, however, is radiographed,
and the particular oblique that is selected will depend upon the site of the injury.
MD0962
3-17