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.
BMI indicates body mass index (calculated as weight in kilograms divided by height in meters squared); CRTCT, simultaneous integrated boost radiotherapy with concurrent and consolidated oral S-1 chemotherapy; ECOG PS, Eastern Cooperative Oncology Group performance score; HR, hazard ratio; RT, simultaneous integrated boost radiotherapy alone.
