Table 3.
Mean GTV* (cm3) delineated with the different patient position protocols
Mean GTVC† | Mean GTVD†† (p value) | Mean GTVRT# (p value) |
---|---|---|
44.1 | 33.7 (0.027) | 30.5 (0.014) |
The p value relates to differences in the magnitude of GTVC and the other two GTVs.
* Gross tumour volume.
† GTV delineated on CT with diagnostic MRI scan viewed separately.
†† GTV delineated using the CT registered with diagnostic MRI.
# GTV delineated using the CT registered with radiotherapy positioned MRI.