3D-CRT Planning

Efficient and consistent 3D-CRT planning

All the manual and automatic tools you need to create high-quality 3D-CRT plans with efficiency consistency.

3D-CRT planning

Discover the potential of conventional 3D-CRT forward treatment planning with manual and automatic tools for conformal treatment using treat-and-protect, beam weighting and wedges.

Make plan creation faster and more consistent with modern inverse planning techniques for creating conventional 3D-CRT plans. The plans can be automatically optimized for any combination of segment shapes, segment monitor units, collimator, gantry, and couch angles.

RayStation supports conformal planning of 3D-CRT, conformal arc, and static arc treatment techniques.


  • Beam aperture with MLC and blocks
  • Shielding blocks
  • Circular cones
  • Tools for drawing and manipulating apertures in BEV
  • Automatic computation of apertures based on target ROI and organs at risk
  • Merging of beams for field-in-field planning
  • Automated collimator angle selection for conformal arcs to minimize exposure of healthy tissue in between targets
  • Direct optimization of 3D-CRT treatment parameters, such as leaf positions, beam weights, wedge angles, wedge fractions, collimator angle, gantry angle and couch angle

Demonstration of 3D-CRT planning



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