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urethra
GEC-ESTRO ABS
uV5
<150%
uV10
<150%
uV30
<130%
<125%
ESTRO and ABS dose constraints - Urethra
•
Urethral volume getting 30% of the dose (uV30)<125-130% of prescription
•
Urethral volume getting 10% of the dose (uV10) <150% of prescription
Avoid the 150% isodose cutting into the urethra