Sending lots of good thoughts for your beautiful little Summer. Hang in there bluespot and don't feel guilty about "choosing" Summer over your DS. She needs you most right now.
Still thinking of you, still rooting for you and your family. She looks so much like my own DD, I did a double take. She could be any of our daughters. I'm so, so sorry you have to go through this and pray you have a good update soon.