Abscess
A local accumulation of pus anywhere in the body.
The following are some examples of abscesses:</P> > >A skin abscess is better known as a common boil; >A peritonsillar abscess is a persistent collection of pus behind the tonsils; and >A perianal abscess is a pool of pus that forms next to the anus, often causing considerable tenderness and swelling in that area and pain on sitting down and on defecating.
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