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 73-year-old female with metastatic retroperitoneal lymphadenopathy from gallbladder carcinoma with HER 2/neu amplification. Axial contrast-enhanced CT images demonstrate: (A) a 1.9-cm lymph node (arrow) posterior to the left renal vein. After 2 months of trastuzumab + pertuzumab, lymphadenopathy is decreased: (B) the lymph node (arrow) posterior to the left renal vein now measures 1.2 cm.
