Click the 3D presets button on the toolbar to show the menu with different image presets, which can be applied to the displayed volume.
Select one of the presets to change the way volume that is visualized.
Angio
Airways
Bones and skin 1
Bones and skin 2
Bones and skin 3
Bones B/W
Skin B/W
MIP B/W
MIP B/W Inverse