Multiple Choice
A patient is to be treated with a pelvic field on a linear accelerator.The patient is quite obese and the port films show that the field shifts superiorly and inferiorly on a daily basis.What bony landmark may measurements be taken from to stabilize this treatment portal?
A) Umbilicus
B) Anterior superior iliac spine (ASIS)
C) Pubic symphysis
D) Patella
Correct Answer:

Verified
Correct Answer:
Verified
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