<synset id="n00643208" type="n">
<lex_filenum>04<lex_filenum/>
<word lex_id="0">sigmoidoscopy<word/>
<word lex_id="0">flexible sigmoidoscopy<word/>
<pointer refs="n00642045">Hypernym<pointer/>
<def>visual examination (with a sigmoidoscope) of the lower third of the colon in a search for polyps<def/>
<synset/>