Doctors differ on how long Argentine president will need to recover from skull surgery

Maria Muzzopappa, a supporter of Argentina's President Cristina Fernandez, stands outside the Favaloro Hospital where Fernandez is undergoing surgery on her skull to siphon out blood that is pressuring her brain, months after she suffered an unexplained head injury in Buenos Aires, Argentina, Tuesday, Oct. 8, 2013. Experts described the procedure as generally low risk and almost always having positive results. (AP Photo/Natacha Pisarenko) (The Associated Press)

Supporters of Argentina's President Cristina Fernandez celebrate after hearing presidential spokesman Alfredo Scoccimarro announce that Fernandez is in good spirits after a successful surgery outside the Favaloro Hospital in Buenos Aires, Argentina, Tuesday, Oct. 8, 2013. Hospital doctors report that the president's condition is "evolving favorably" after they removed a blot clot pressuring the right side of her brain. (AP Photo/Natacha Pisarenko) (The Associated Press)

A picture of Argentina's President Cristina Fernandez hangs outside the Favaloro Hospital where she is undergoing surgery on her skull months after she suffered an unexplained head injury in Buenos Aires, Argentina, Tuesday, Oct. 8, 2013. Fernandez was diagnosed with "chronic subdural hematoma," or fluid trapped between the skull and brain. Doctors initially prescribed a month's rest, but decided surgery was required after she complained of numbness and weakness in her upper left arm Sunday. (AP Photo/Natacha Pisarenko) (The Associated Press)