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.
Cumulative hazard curves. (a) Cumulative hazard of symptomatic RP for PTV/Lung. (b) Cumulative hazard of symptomatic RP for PTV volume. (c) Cumulative hazard of symptomatic RP for V20. PTV, planning target volume; RP, radiation pneumonitis; SRT, stereotactic radiation therapy.
