When the abnormality is obvious don't waste too much time assessing image quality
Rotation - none - the spinous processes are central between the clavicles (orange)
Heart size cannot be assessed
Very dense opacification of the left hemi-thorax without 'air bronchogram'
Well defined border between aerated lung and a pleural effusion ('meniscus' - red line)
This is a very large pleural effusion with shift of the mediastinum to the right (arrows)