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.
Gross and MRI images of 3 perianal cystic masses. A) Lesion located to the right of the coccyx. B) The most superior lesion located to the left of the coccyx. C) The largest, most inferior lesion located in the left perirectal region of the buttocks.
