Table A.1.

Declaration of help structures used in plan optimization both in the PAP and MUP planning described in Table A.2, Table A.3. During PAP optimization a number of plan specific help structures are defined, e.g. cold spot ROIs.

Structure	Contains
PTV78imrt	PTV78 – (Rectum + 2 mm)
RectumVclose	Nearest 3 mm of Rectum to PTV78imrt
Residual rectum	Rectum – (RectumVclose + PTV78)
Rectum posterior wall	Most posterior 2 mm of Rectum
PTV_prostata_imrt	Prostate + 7 mm – (Rectum + 2 mm)
PTV70imrt	PTV78 – PTV78imrt
PTV78LatRectum	Part of PTV78imrt lateral and posterior to anterior rectum wall
BladderIMRT	Bladder – PTV56