Lateral radiograph showing spondylolysis; the dotted line shows the anterior displacement of L5 (spondylolisthesis).

Lateral view of the serratus posterior superior muscle with bony attachments. Muscle is shown on just one side.

Radiograph of a lateral view of the esophagus. Esophagus seen after swallowing barium. The phrenic ampulla can be seen at the bottom.

Illustration of chest contours of child. Top: lateral view of male child from waist up showing a barrel chest. Bottom: cross-section of barrel chest.

Lateral view of woman in a knee-chest position. Knees and folded arms are on floor, head rests on arms, buttocks are raised.

Radiograph, chest, lateral