Nelson Mandela underwent a procedure to remove gall bladder on Saturday . Mandela , however , still requires ` ` extraordinary care , '' the South African government says . The Nobel winner has been hospitalized for several days . A presidential spokesperson said he joked with the former president during a visit there .
Nelson Mandela underwent a procedure to remove gall stones on Saturday . Mandela , 94 , still requires `` extraordinary care , '' the South African presidency says . The Nobel laureate has been hospitalized for 11 days . A presidential spokesperson says he joked with the former president during a visit Tuesday .