Ive noticed that there isn't a "cancer" column in the images_crosswalk file on the live system, but there is in the pilot data.
I think this invalidated all of my progress :(
Warning to others
Created by Clinton Mielke subcosmos Hi Clinton,
The [Challenge Dictionary](https://www.synapse.org/#!Synapse:syn7214004) is the reference for the variables that you can use. This document states that "cancer" is not a column available in images crosswalk file.
Thanks!
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