follow-up

• POS: Adjective, Noun
• HYPHEN: fol=low-up

CIDE DICTIONARY

follow-up, n. 

•  a second (or subsequent) action to increase the effectiveness of an initial action. Also used attributively; as a follow-up visit.

  "A follow-up may be of various types. After a medical examination, a second examination (or reexamination) to obtain additional information regarding some fact discovered in the first examination is considered a follow-up. A second visit or phone call in pursuit of a sale or other request would also be a follow-up."  [WordNet 1.5]
•  A subsequent story providing information discovered or events happening after a first story was published.  [PJC]
•  Same as sidebar.  [PJC]