Conditions:  Brain Cancer;  Head and Neck Cancer;  Lung Cancer;  Gastric Cancer;  Ovarian Cancer;  Colon Cancer
Intervention:  Device: Halcyon 4.0 system
Sponsors:  Washington University School of Medicine;  Varian Medical Systems
**RECRUITING NOW**
Intervention:  Device: Halcyon 4.0 system
Sponsors:  Washington University School of Medicine;  Varian Medical Systems
**RECRUITING NOW**
Source: View full study details on ClinicalTrials.gov
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