Benefits versus risks of brain surgery

What are some of the considerations that Alena and her family might be struggling with as the weigh benefits versus risks of brain surgery?
Do you feel that Alena is satisfied with her decision? Is her mother? Her sister? Why or why not?
Alena's mother is seen at the end of the vignette asking herself "is it worth it? I don't know." How does Alena seem to feel regarding her outcomes?