Mandela undergoes successful gallstones surgery

South Africa's presidency says Nelson Mandela has undergone successful surgery to remove gallstones.

South Africa's presidency says Nelson Mandela has undergone successful surgery to remove gallstones.

The presidency said the 94-year-old Mandela underwent the surgery on Saturday. The presidency said Mandela's doctors wanted to treat a recurrent lung infection before putting him through the surgery.

The statement said: "The procedure was successful and Madiba is recovering." It referred to Mandela by his clan name as a sign of affection.

Mandela has been hospitalized since December 8.

Mandela is revered for being a leader of the struggle against racist white rule in South Africa. He served one five-year term as president before retiring from public life.