I don't pretend to understand it but from when there were reports about this injury it went something like this... The injury is incurable and he is in constant pain The only hope is that the injury ruptures, and HOPEFULLY once it heals the issue will be gone. Two big caveats to that we're that when/if that happens, he'll be out for a long time, and that there's no 100% guarantee that the issue will actually go away when/if this happens.