CTVCT = prostate gland + base of seminal vesicles, delineated on CT |
CTVMR = prostate gland only, delineated on MRI |
CTVDIL = dominant intraprostatic nodule, delineated on MRI/MRSI |
PTVEBRT = CTVCT + 10 mm margin in all directions but posteriorly where 5 mm where used |
PTVHDR = CTVMR |
PTVDIL = CTVDIL |