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OARs constraints and delineation
Omolateral V20 <
70%
Controlateral
V20 < 30%
Combined
Functional Renal
V20 <50%
Both kidneys
Separate and
combined
organ
Toxicity
dosimetric
parameters
delineation
QUANTEC– IJROBP- 2010
Critical
relevant
renal
dysfunction
Grade 3+
acute
toxicity
Bowel loops
Bowel cavity
(entire potential space
in the peritoneal cavity)
V15 < 120 cc
V45 < 195 cc