What steps will reproduce the problem? 1. Define structure containing air (i.e. trachea

What is the expected output? What do you see instead? Expected air voxels to be excluded from calculation Observed that air voxel values are part of DVH

eliminate low-threshold CT-to-ED voxels from structure mask investigate: how is struct mask currently calculated? based on original CT grid? need to add this info to design doc (for DVH calculation)

[RtModelDesign]

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