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 Endoscopy shows the sigmoid colon with areas of congested mucosa separated by deep ulcerations (Mayo endoscopic score 3). b Corresponding strain elastography image of the sigmoid colon showing moderate wall thickening and abnormal elastographic appearance, classified 2BAR (mix of colors: green > blue > red) compatible with the endoscopic image showing very severe disease
