Be on/off the danger list
Definition 1 of 1
Pro Tip 1/3Health Context
Used to describe someone's health, especially when life-threatening conditions are involved. 
The wrestler is no longer on the danger list after the successful surgery.
Pro Tip 2/3Recovery Sign
Coming off the danger list often signifies a turn for the better in one's medical state. 
Great news! Grandma's off the danger list and should be home soon.
Pro Tip 3/3Metaphorical Use
Sometimes used metaphorically for non-medical situations, like projects or businesses at risk. 
Our project was on the danger list, but we're back on track now.