GREY'S ANATOMY - "Here's to Future Days" - Dr. Derek Shepherd lays out his plan for removing the cancer that is in Izzie's brain, on "Grey's Anatomy," THURSDAY, MAY 14 (9:00-11:00 p.m., ET) on the ABC Television Network. PATRICK DEMPSEY, ELLEN POMPEO, JUSTIN CHAMBERS, KATHERINE HEIGL, KIMBERLY ELISE, SANDRA OH