Hi! Anna
As Neil had mentioned, if you can maybe go with her to her next appointment. Parents normally don't want their kids to worry so they don't say much when they are sick. I know because my father is the same way. But I told him I wanted to go to support him. Unfortunately I can't go to all his appointments due to work. But when ever I go I do ask his doctors how he is doing. My father is hard of hearing so I can get away with asking the doctors a whole alot of questions. At first the doctors didn't want to tell me much, but I'm extremely persistant
. So his doctors have been pretty cool about answering my questions and giving me an update. It also helps in doing research online. That's how I found this site. People on here have been very helpful.
I wish your mom the best.