Name the centering and evaluation criterion for a lateral thoracic spine radiograph.

Name the centering and evaluation criterion for a lateral thoracic spine radiograph.

• A. Center at T6; vertebral bodies not overlapped; mild rotation; blurred posterior elements
• B. Center at T8; spinous processes overlapped
• C. Center at T9; diaphragms not visible
• D. Center at T7; vertebral bodies are superimposed; no rotation; crisp posterior structures

Answer: (D)