Britain's Prince William observes bladder tumour surgery during a visit to the Royal Marsden hospital...
Britain's Prince William, president of the Royal Marsden NHS (National Health Service) Foundation Trust, observes surgery for the removal of a bladder tumour on a male patient during a visit to the Royal Marsden hospital in London November 7, 2013. REUTERS/Lefteris Pitarakis/pool (BRITAIN - Tags: HEALTH ROYALS)