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.
A 52-year-old female with metastatic melanoma in a Phase 1 trial of MK-3475 (Pembrolizumab). Images 3a–c show the right upper lobe lung mass (shown with black arrow) at baseline, follow-up 1 (15 weeks after BL) and follow-up 6 (1 year after follow-up 1) respectively. Target right upper lobe lung mass shows slow response to treatment. BL, baseline.
