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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