MRI-image of the sagital neck with an ependymoom. On the left side the original image, on the right side the same image with annotations.
<a href="//commons.wikimedia.org/wiki/User:Lucien_Monfils" title="User:Lucien Monfils">Lucien Monfils</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>