Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Dose constraints of the organs at risk included in the study.
| Organs at Risk | Dose-Volume Histogram Metric | Constraint |
|---|---|---|
| Spinal cord | D2% | <40–45 Gy |
| Parotid glands | V45Gy V30Gy V15Gy Dmean |
<24% <45% <67% <26 Gy |
| Oral cavity | V40Gy | <35% |
| Larynx (whole organ) | V40Gy Dmean |
<50% <35 Gy |
