MSK has just published a tool to help with watch-and-wait or not. The actual study is here:
It's not huge numbers, so the prediction is going to be adjusted over time like their other tools. But this should start giving the tools to decide whether to W&W or go for surgery.
Also, there's a big caveat, this is after TNT with a robust surveillance program. Otherwise the numbers don't hold.
The calculator link: https://www.mskcc.org/nomograms/colorec ... rgery_wait it gives DFS odds.