When Maci’s mom told us that Maci has a presence about her, she wasn’t kidding. Maci enters Hershey Medical Center for a routine visit and nurses she’s never worked with before light up and call out, “Hi Maci!” She’s a social butterfly, and not moments after you’ve entered her home will she grab your hand and, grinning, pull you to her room to introduce you to Phil, her guinea pig.…