Pat Brogan preparing to walk his daughter down the aisle after trial of treatment designed to stop disease from hiding • Smart drug that strips cancer cells of ‘invisibility cloak’ can shrink tumours by 30%, trial shows One of the first patients to benefit from a pioneering smart drug that appears to melt away the “invisibility cloak” that can shield cancer cells from treatment is Pat Brogan, from Cowdenbeath, Scotland. The 68-year-old, whose tumours have shrunk by almost a third, is preparing t