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Table 1 Dose constraints to target volume and organs at risk employed during optimization

From: Incorporating 18FDG-PET-defined pelvic active bone marrow in the automatic treatment planning process of anal cancer patients undergoing chemo-radiation

  Parameter Goal
PTV D95% ≥95%
Dmax ≤107%
Bladder V30 <50%
V40 <35%
V50 <5%
Large bowel V30 <200cm3
V35 <150cm3
V40 <20cm3
Dmax <50Gy
Small bowel V30 <200cm3
V35 <150cm3
V40 <20cm3
Dmax <50Gy
External genitalia V20 <50%
V30 <35%
V40 <5%
Femural heads V30 <50%
V40 <35%
V50 <5%
Iliac crests V30 <50%
V40 <35%
V50 <5%
  1. Legend: PTV planning target volume, V 20,30,35,40,50 volumes receiving 20,30,35,40,50 Gy, cc cubic centimeters