"rotation to the right may cause: pseudo-mediastinal mass, hyperlucency of the right lung"
"Magnification "
"assessed by looking at the lower thoracic vertebral bodies, whose outline should just be visible on a PA projection"
Expected headings
"Exposure/penetration"
"Inspiratory effort"
"Rotation"
"Magnification "
"Angulation"
"airways, lungs and pleura"