Good luck with the medical issues. Hope everything works out ok.
In my own life’s experiences, it has always been the ‘crucible’ that forged something good. I hope the following two items lend to your coming ‘through’ the tough times.
http://www.chabad.org/library/article_cdo/aid/699180/jewish/Forged-in-the-Crucible-of-Life.htm
And, especially this one,