Cured by her brother's bone marrow, Katie forges ahead
Photo credit: Newsday / Michael E. Ach | Katie Trebing eats cupcakes with her brother, Christopher, at her fifth birthday party.
Stacy opens a number "2" candle and Katie sticks it on the sheet cake.
"Bring Bubba!" Katie demands. Christopher, whom the family still calls by his nickname, is in the Trebing backyard, jumping on the trampoline. "Bubba!"
A streak of boy runs through the screen door. He bounds onto the same chair with Katie. Older brother Calvin hovers behind them. Christopher blows out the candle,...
