How bad can cancer be, if it stays undiagnosed? There are lots of serious conditions that, if left undiagnosed, are quite damaging or fatal. Plus, it's often

How bad can cancer be, if it stays undiagnosed? There are lots of serious conditions that, if left undiagnosed, are quite damaging or fatal. Plus, it's often especially difficult to see how psychological/psychiatric problems affect oneself. It's easy to misattribute causes or misunderstand conditions. There are posts in this very discussion that tell how damaging undiagnosed ADHD has been.