My brother was admitted today in the hospital, he has a 2cm cyst on the back of his brain. They found on a CT scan cause he was having bad headaches, nauseau, vomitting, tired and weak for about a week now. They cant do an MRI on the weekend because no one is in or on call (which is BS.)This place calls them self a stroke center but no MRI on the weekends or holidays. I was wondering how bad could this be, if their waiting. They dont know if it still growing. He has always otherwise been healthy. They say it is shifting the brain, what would they most likely do? What is an outcome for something like this? I m worried about my brother, please anyone have any insight for me.