Please help Carol to retire and cover medical expenses

I am trying to get my mom retired. She recently had a mini stroke, will be 79 soon and is still working full time as well as being a caretaker along with me for my chronically ill brother. Mom was going to retire 10 years ago when we moved my brother in with us because he was no longer able to care for himself. The expenses have been great but the last year and a half have been brutal. Last year, Mom got sick and required thoracic surgery. She has not been the same since. She has always been strong but now seems frail. My brother has been in a out of the hospital for the last couple years and consistently since the first of the year. The stress of work and home has been a heavy load. I am desperate to get her retired. We have always been a giving family, generous with our time and resources for so many people in so many ways, but I am not always good at asking for what we need. Several people have offered to help but I don’t know what that looks like or what to ask for. So I am doing it this way. We would appreciate any help we can get. Prayers, healing vibes and good wishes are always welcome as well. Help me get mom the rest she needs.