Who could help them? Let's see, Tsunade would be too young (Because if Hashirama is already the grandfather of a grown up Tsunade with those good looks, he must have the fountain of youth or a good surgeon ^_^U), unless is changed here to be, let's say, his father (After all, Tsunade is supposed to look like she was in her twenties). Or maybe Orochimaru this time, 'cause he could be a clandestine doctor all the way. Let's find out.