Fig. 1.
a Gross specimen, distal ileum with saccular dilatation. b Gross specimen, ileum, incised to show hemorrhagic mucosa within saccular dilatation
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.