Early review after winning PIP Tribunal

Hi all, not been on here for a while due to poor health but could do with some more advice from you all. Had to drag the DWP to Tribunal last time to get the award I was entitled to - the Tribunal awarded it to me until March 2020 but DWP have just sent me a review form. Can they overrule the Tribunal decision?
Thanks

Thanks for your reply. I honestly thought I was safe until March, I thought the Tribunal decision meant I was legally entitled to that help until March and the DWP couldn't take it off me before then. Seems like they can if they choose to
Next question is, how much information should I put in with the review? I have multiple complicated conditions that were very well described in the original claim documents(not that they read it, or my medical evidence), do I need to cover that again or just tell them what has changed and add info on my newly diagnosed conditions ? I don't want to swamp them and end up with no one bothering to read it but I need to make sure that they fully understand my conditions and how they affect me. Thanks.

Thanks, it was more really about finding out what they were expecting to do with the info and whether they would refer back through the old documentation. You've just clarified that. My biggest worry is that they will be put off reading it all due to the amount there's going to be but if I don't put the info in they will have little understanding of the conditions as some are rare/not run of the mill and all are complicated. The last assessor actually told me she hadn't read it all.......she clearly hadn't read any of it from the state of her report!!