Discusses positionings and projections of the chest, lungs, and heart in the PA projection (most common), the lateral projection, the PA oblique projection, RAO and LAO positions, and the AP oblique projection, RPO and LPO. Also, the chest in AP projection; the pulmonary apices in AP axial projection in the lordotic position using the Lindblom method; the lung and pleurae in AP projection, R or L lateral decubitus positions, and the lateral projection in ventral or dorsal decubitus positions. Slides 10-56 to 10-71 review and summarize.