Fernando Alonso to undergo season-ending surgery
Fernando Alonso, who suffered an accident during the off-season, will take part in all 23 races this year, but will undergo surgery at the end of the championship.

If the season of his return to F1 was not called into question /f1/news/24654-fernando-alonso-was-hit-by-a-car.html the Spanish driver will have to undergo surgery again by the end of the year.
A second operation necessary
The Spanish driver confirmed that doctors will have to remove a titanium plate from his upper jaw. This operation will take place at the end of the season, after the historic sequence of 23 Grand Prix races around the world.
Alonso: (en) I have two titanium plates attached to my upper jaw. In order not to affect my season, this is an operation that can take place once the championship is over, at the end of the year. (fr)
The accident did not diminish his motivation or his preparation.
For his return to F1 after two years away, the Spanish champion finished in 10th place in his first day of testing, this Saturday, March 13, during the winter testing in Bahrain.