Colon polyp on a short stalk.  Attribute to Stephen Holland, M.D., Naperville Gastroenterology, Naperville, IL, USA. <a href="https://en.wikipedia.org/wiki/Category:Endoscopic_images" class="extiw" title="en:Category:Endoscopic images">en:Category:Endoscopic images</a>
<ul><li><a href="//commons.wikimedia.org/wiki/File:Polyp.jpeg" title="File:Polyp.jpeg">Polyp.jpeg</a>: Original uploader was <a href="https://en.wikipedia.org/wiki/User:Rsabbatini" class="extiw" title="en:User:Rsabbatini">Rsabbatini</a> at <a class="external text" href="https://en.wikipedia.org">en.wikipedia</a></li></ul><p>Later version(s) were uploaded by <a href="https://en.wikipedia.org/wiki/User:Kd4ttc" class="extiw" title="en:User:Kd4ttc">Kd4ttc</a> and <a href="https://en.wikipedia.org/wiki/User:Dr._F.C._Turner" class="extiw" title="en:User:Dr. F.C. Turner">dr. F.C. Turner</a> at <a class="external text" href="https://en.wikipedia.org">en.wikipedia</a>.
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<ul><li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Dr._F.C._Turner" title="User:Dr. F.C. Turner">Dr. F.C. Turner</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Dr._F.C._Turner" title="User talk:Dr. F.C. Turner"><span class="signature-talk">talk</span></a>)</li></ul>
CC BY 2.5
<ul><li><a href="//commons.wikimedia.org/wiki/File:Polyp.jpeg" title="File:Polyp.jpeg">Polyp.jpeg</a></li></ul>