SBRT Plan Metrics Automation: D2cm, R50, NT105, CI & PTV Volume (RayStation)

📊 Automate SBRT Plan Evaluation in Seconds

This RayStation Python script automatically extracts and evaluates key SBRT metrics — helping you save time and standardize plan review.

🔍 Script Features:

• ✅ PTV Volume Calculation
• ✅ R50: 50% isodose volume to PTV ratio
• ✅ D2cm: Max dose at 2 cm away from PTV (0.035 cc)
• ✅ NT105: Volume outside PTV receiving >105% dose
• ✅ Conformality Index (CI)
• ✅ Violation Classification: None, Minor, Major (RTOG 0813 thresholds)
• ✅ CSV Export + On-Screen Summary

Whether you're checking plan quality or preparing for peer review, this script makes the process faster, more consistent, and fully documented.

🛠️ Platform: RayStation (Python scripting environment)