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 estimated event-free survival for patients with and without lung metastasis at initial diagnosis of INSS stage 4 neuroblastoma. The hazard ratio for increased risk of event with lung metastasis is 1.52 (95%) confidence interval of 1.19−1.93).
