Varian Medical Systems, Inc.


Transform disconnected data into actionable clinical knowledge

Oncology Radiation Advanced Visualization

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Multi-Modality Image Registration:

Quick and easy to use rigid and deformable registration tools for CT, CBCT, MRI, PET, SPECT, AND RT images.

Share Data Easily:

Sync with ARIA® OIS and Eclipse™ treatment planning with one click.

Map and Model Dose Changes Over Time:

Track patient dose information from different vendors at different times to total dose across tumors and healthy tissue.

Comprehensive Contouring Tools:

Automatic and semi-automatic contouring tools.

Simplified RT Plan Review:

Review and evaluate treatment plans for all treatment modalities.

Robust QA and Developer Tools:

Tools for dosimetry QA, data analytics, and imaging research extend the capabilities of your care teams.


RapidSphere Image-Guided Dosimetry for Y90 Selective Internal Radiation Therapy (SIRT) is an add-on for Velocity that provides liver and tumor segmentation tools post-procedure dose confirmation for Y90 radioembolization.