She has thyroid cancer and has not spread to other parts of the body. It was surprisingly discovered when President went to hospital for routine medical tests.
President Cristina Fernandez will take leave from presidency for 20 days and undergo surgery. During this period, Vice-president Amado Boudou will be an acting president of Argentina.
Cristina Fernandez was re-elected in October by a huge margin and a popular political figure in Argentina. Her husband Nestor Kirchner had also been former president of Argentina who died of a heart attack last year.