2 friends having surgery today

Two of my friends are having surgery today.  One is 80, he is have a rupture repaired, the other is 88 and he is having a lymph node removed under his arm..  He is concerned due to his son dying of cancer 5 years ago. Both of these men are good christian men.  the 80 year old is a member of my church.  I have known him for 55 years.