Healthcare networks are trailing residential growth in southern Mecklenburg County, NC, and Carolinas Medical Center-Pineville is the latest example. The 109-bed hospital was given state approval for a $174 million expansion that includes plans to upgrade it to a Level III trauma center. The hospital will be able to treat patients with more severe injuries instead of sending them to Carolinas Medical Center. The project will add a heart surgery program and more than double the size of the 200,000-square-foot campus.