Figure 2From: Quantitative assessment of inter-observer variability in target volume delineation on stereotactic radiotherapy treatment for pituitary adenoma and meningioma near optic tractContours superimposed on the default CT image (Meningioma). (a) (b) (c) axial section (d) sagittal section (e) coronal section The red lines depict planning target volumes, and the green lines depict delineations of organs at risk from each clinician.Back to article page