Source : WordNet®

follow-up
     n 1: a piece of work that exploits or builds on earlier work;
          "his new software is a follow-up to the programs they
          started with" [syn: {followup}]
     2: an activity that continues something that has already begun
        or that repeats something that has already been done [syn:
         {followup}]
     3: a subsequent examination of a patient for the purpose of
        monitoring earlier treatment [syn: {followup}, {reexamination},
         {review}]