Key:
#1 = Liver
#2 = Kidney
#3 = Duodenum
#4 = Jejunum (not visible on CT)
#5 = Ascending Colon
#6 = Descending Colon
#7 = Ureter (not visible on CT)
#8 = Psoas Muscle
#9 = Rectus Abdominis
#10 = Quadratus Lumborum
#11 = Aorta
#12 = Inferior Vena Cava
