Spanish doctor Manuel de la Torre attends a press conference following a lower back disc hernia operation performed on King Juan Carlos of Spain at the La Milagrosa Hospital on March 3, 2013 in Madrid, Spain. King Juan Carlos of Spain goes under surgery for a lower back disc hernia at La Milagrosa Hospital on March 3, 2013 in Madrid, Spain. He had hip surgery last November. The King has had several other health issues in the past two years, including knee surgery and the removal of a benign lung tumor.