followup

(n) a piece of work that exploits or builds on earlier work
- his new software is a follow-up to the programs they started with
follow-up,
(n) an activity that continues something that has already begun or that repeats something that has already been done follow-up,
(n) a subsequent examination of a patient for the purpose of monitoring earlier treatment reexamination, follow-up, review,

follow-up reexamination review

follower