Read more : Nelson Mandela has lung infection . Nelson Mandela underwent a procedure to remove gall stones on Saturday . Nelson Mandela , 94 , still requires `` extraordinary care , '' the South African presidency says . The The Nobel Peace Prize laureate has been hospitalized for Tuesday . A presidential spokesperson says he joked with the former president during a visit 11 days .
Nelson Mandela underwent a procedure to remove gall stones on Saturday . Nelson Mandela , 94 , still requires `` extraordinary care , '' the South African presidency says . The The Nobel Peace Prize laureate has been hospitalized for Tuesday . A presidential spokesperson says he joked with the former president during a visit 11 days .