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.
Characteristics of BoM categorized into those that received surgery (OP) and those that did not (NOOP) for A.) lesion type (lytic, blastic, or mixed) and B.) site of lesion (spine, pelvis, upper extremity = UE, lower extremity = LE, and multiple sites). UNK = unknown in cases where this information was not recorded.
