A PA Oblique Large Intestine Projection (RAO Position) with Accurate

Multiple Choice

A PA oblique large intestine projection (RAO position) with accurate positioning demonstrates
1) the rectosigmoid segments without superimposition.
2) a narrowed right iliac ala.
3) the entire large intestine.
4) decreased superimposition (when compared with a PA projection) of the right colic flexure limbs.

A) 2 and 3 only
B) 1 and 4 only
C) 1, 2, and 3 only
D) 1, 2, 3, and 4