Cristina Fernandez de Kirchner is handing over power to Vice President Amado Boudou until January 24, as she undergoes thyroid cancer surgery.
(BBC NEWS) Buenos Aires - Argentine President Cristina Fernandez de Kirchner is set to undergo surgery for thyroid cancer, with doctors saying she has a good chance of recovery.
Supporters have gathered outside the hospital where she is being treated, carrying signs wishing her well.
After the operation she will rest until 24 January, with Vice President Amado Boudou in charge during her absence.
Ms Fernandez, 58, recently began her second term as president after a landslide election victory.
President Fernandez is being treated at the Austral University Hospital in Pilar, some 60km (40 miles) from the Argentine capital.