You shouldn't have asked why he didn't call. Your challenge this week is to be cordial but not let on that you actually give a rat's ass what he does or doesn't do unless it pertains to your daughter. Otherwise, expect nothing.
As far as the precancerous cells, it means if left alone there is a liklihood they would turn into cancer. I had some removed from my cervix several years ago. They never returned and all paps have been normal ever since (although the growth of 'balls' was noted a couple years ago ).