Very high magnification <a href="https://en.wikipedia.org/wiki/micrograph" class="extiw" title="w:micrograph">micrograph</a> of <b><a href="https://en.wikipedia.org/wiki/Ewing_sarcoma" class="extiw" title="w:Ewing sarcoma">Ewing sarcoma</a></b> in <a href="https://en.wikipedia.org/wiki/lung" class="extiw" title="w:lung">lung</a>. <a href="https://en.wikipedia.org/wiki/PAS_stain" class="extiw" title="w:PAS stain">PAS stain</a>.
<p>The <a href="https://en.wikipedia.org/wiki/PAS_stain" class="extiw" title="w:PAS stain">PAS stain</a> highlights <a href="https://en.wikipedia.org/wiki/glycogen" class="extiw" title="w:glycogen">glycogen</a>.  The staining was negative with a <a href="https://en.wikipedia.org/wiki/PAS_diastase" class="extiw" title="w:PAS diastase">PAS diastase stain</a>. 
</p>
<h2><span class="mw-headline" id="Related_images">Related images</span></h2>
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<p>Intermed. mag.
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<p>Very high mag.
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<a href="//commons.wikimedia.org/wiki/User:Nephron" title="User:Nephron">Nephron</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>