Seve Ballesteros' condition has improved since he underwent a third operation on a brain tumour, according to the hospital treating him.
The Spanish golfer is recovering in Madrid's La Paz hospital after surgery on Friday.
The operation, to alleviate pressure on the brain caused by an edema and to eliminate the remainder of the tumour tissues, followed two earlier procedures to remove the tumour and reduce swelling in the brain.
A statement said: "The patient has a favourable trend in his neurological status, but needs to be further controlled in the Intensive Care Unit."
The hospital also confirmed that Ballesteros had a tracheotomy to help him breathe, but insisted this was a standard procedure. "It is true that he has a tracheotomy but it is customary and is part of the protocols established for similar cases," added the statement.