Target Volume Determination 2015

Overall observer variation in CT (SD)

90

Legend (mm) 3.6 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8

A n t e r i o r

1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0

45

Bladder

Apex

R

L

L

0

θ (degrees)

Seminal Vesicles

-45

P o s t e r i o r

-90

0

60 120 180 240 300 360

φ (degrees)