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Table. 2 Dose-volume constraints used for OARs

From: Dosimetric comparison of MR-linac-based IMRT and conventional VMAT treatment plans for prostate cancer

OAR

Dose-volume constraint (% of total volume)

Rectum

V70Gy < 15%

V60Gy < 25%

V50Gy < 50%

Bladder

V70Gy < 20%

V60Gy < 30%

V50Gy < 50%

Femoral heads

V50Gy < 10%