Fig. 4.
A 91-year-old woman with a squamous cell carcinoma in situ of the frontal scalp (A) treated with double freeze-thaw cryotherapy and at follow-up 4 weeks later (B).
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.