<section classCode="DOCSECT" moodCode="EVN">

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  <code code="55113-5"

      codeSystem="2.16.840.1.113883.6.1"

      codeSystemName="LOINC"

      displayName="Key Images" />

<title>Key Images</title>

  <text>Maximum extent of tumor is shown in
<linkHtml href="http://www.ex.org/wado?requestType=WADO&...">

image 1 <renderMultiMedia referencedObject="refimag1" />

       </linkHtml>

  </text>

<entry>   <!--inline rendered image -->

<observationMedia ID="refimag1">

<value representation="B64" mediaType="image/jpeg">

                 Bgd3fsET4g...

</value>

</observationMedia>

</entry>

</section>