A lot of folks will see their APCa treatment come to an end, hopefully due to good PSA levels and scans. But the end of treatment is the beginning of living with no net under you, with periodic checkups and scans, with emotional stress especially since LT SE's may continue, change or crop-up, and last not least that PCa has a way of sometimes coming back after years of absence.
Here's a resource to read through -- and I welcome the thoughts of the HU APCa community about the subject.