1120 / 1196
Preparation
Single CT scan
Delineation target volumes and OAR,
Roels et al
,
2006, IJROBP
Using upper and lower mesorectum to divide the mesorectum
at level of base of bladder,
Nijkamp et al, 2009, RO
2 sets of 3 margins for ventral side of upper mesorectum
Depending on the anatomy captured on CT ref
Remaining margins fixed according to clinical protocol
Rectum Filling
Medium
Empty
Margins
-15 mm, 0 mm, 15 mm 0 mm, 15 mm, 25 mm
Clinical protocol