Fig. 3From: Online MR evaluation of inter- and intra-fraction uterus motions and bladder volume changes during cervical cancer external beam radiotherapyDistribution of bladder volume with treatment time. The Vus: the bladder volume of US scanner measured; Vpre: the bladder volume of MRI scanner measured before treatment; Vpost: the bladder volume of MRI scanner measured after teatment. Vplan: the bladder volume of CT simulation scanBack to article page