In the following video, Motley Fool health-care bureau chief Brenton Flynn continues his look at UnitedHealth Group's (UNH -4.82%) annual 10-K report and highlights three important takeaways that investors need to be aware of. He discusses an international expansion for the company with its acquisition of Amil in Brazil, tells us about some wording in the 10-K implying that the company might exit certain states if regulations become too stringent there, and gives us some broader pricing trends affecting both UnitedHealth's commercial and government businesses.