Which of the following statements is NOT true about the lateral L5-S1 projection?
A) If the waist is not supported, the CR must be angled 5° to 8° caudad.
B) A lead mat should be placed on the tabletop behind the patient, and there should be close collimation to improve image quality.
C) A 14 *17-inch (35 *43-cm) IR should be used.
D) The CR is centered 1.5 inches (3 to 4 cm) inferior to the iliac crest and 2 inches (5 cm) posterior to the ASIS.
Correct Answer:
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