An official website of the United States government
Here’s how you know
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.
... and are most often one of the following: Tubular polyp, which protrudes out in the lumen (open space) of the colon Villous adenoma, which is sometimes flat and spreading, and is ...