Fig. 2From: DARS: a phase III randomised multicentre study of dysphagia- optimised intensity- modulated radiotherapy (Do-IMRT) versus standard intensity- modulated radiotherapy (S-IMRT) in head and neck cancerTyler et al. [46] PTV_5400 (blue) dose distribution in (a) S- IMRT arm and (b) Do-IMRT, demonstrating sparing of dose to Plan SMPCM (yellow)Back to article page