Former South African president, Nelson Mandela, is currently recovering after a successful gallstone surgery. The 94-year-old is still battling a lung infection, but is doing well post-op. Mandela was sick for a while with the gallstones since doctors wanted him to be a little better due to the lung infection which is not life-threatening but could be. Mandela has been hospitalized since December 8 and there is no word as to when he will be released. Read more below. Julie A.