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) Peroral direct cholangioscopic findings demonstrating a 0.5-cm-sized polypoid lesion on the hilar portion. (B) Peroral direct cholangioscopy (PDCS)-guided biopsy specimen of the tiny nodular lesions at the hilar portion. Endoscopic biopsy revealed a hepatocellular carcinoma (H&E stain, ×200; inset). (C, D) Follow-up PDCS with an ultraslim upper endoscope revealed disappearance of the polypoid lesion at the hilar portion.
