Bilateral hip prostheses create severe streak artifact on CBCT. What is the BEST therapist action?

Which pelvic bony structure is considered the MOST reliable landmark for establishing initial CBCT alignment?

Both femoral heads appear slightly different compared with planning CT while the sacrum aligns perfectly. MOST likely explanation?

A patient arrives with an empty bladder despite instructions. Best therapist action?

Which sequence represents the safest pelvic CBCT image-matching workflow?

 A cervix patient’s uterus appears displaced despite excellent bony alignment. MOST likely explanation?

Which rotational correction describes side-to-side tilting of the patient?

Why should therapists avoid matching solely to the femoral heads during pelvic CBCT?

A radiation therapist is preparing to image-match a prostate patient using CBCT. Which structure should be evaluated FIRST before assessing the prostate itself?

Marked rectal distention most commonly displaces the prostate in which direction?