From these segmentations, {TAIL ~ a network model} is used to select {HEAD ~ those segmentations} to be used in the IMAT treatment plan 
From these segmentations , { TAIL ~ a network model } is used to select { HEAD ~ those segmentations } to be used in the IMAT treatment plan
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH