Chest (PA erect):
Technical: Taken during expiration and mildly rotated to left.
Left-sided heart and aorta. Vertical stripe just left of aortic knob represents left mediastinal border. 13 pairs of ribs. Thoracolumbar scoliosis.
Abdomen ( AP supine & PA erect): Liver not visualised on right; viscera in left upper abdomen; sacral agenesis.