'I never went to film school, so the education came from running a non-profit video shop called The
Port Film Co-op.
Verification of the exact fiducial position was obtained with a dorsal and a 90-degree port film (Figures 10 and 11).
Caption: FIGURE 10: 90 degrees or orthogonal port film.
For the irradiation of intracranial structures, the usage of port films improves set-up accuracy.
Doctors chose field sizes and central axes using bony landmarks with impressive accuracy; treatment setups were then verified with a
port film. Other than the total dose and fraction number, there were generous margins for both.
The 2000RT can also now import DRR images to the CR workstation and display them next to
port films for direct comparisons, without needing an image management system.
PlanarView(TM) will be similar in use to existing MV
port films, but will provide diagnostic quality images at very low doses.