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.
Types of sacral bone resection: type 1 – low sacral amputation (partial sacrectomy below S2), type 2 – high sacral amputation (partial sacrectomy through S1 or S1–S2), type 3 – total sacrectomy (sacrectomy at L5-S1 level), and type 4 – extended sacrectomy (resection of tumor extending beyond the sacroiliac joint or the L5 vertebra).
This work is licensed under a