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.
Kaplan-Meier estimates of 5-year relapse-free survival of the sacrococcygeal yolk sac tumor by pathologic response to neoadjuvant chemotherapy. The 5-year relapse-free survival rate of group good response (n=9) was significantly higher than that of group poor response (n=11) (P=0.026).
