Barcelona's French defender Eric Abidal will have surgery to remove a liver tumour, the club said in a statement on Tuesday.
The 31-year-old, who has made 22 appearances this term, but has not played since the Blaugrana's 3-0 win over Atletico Madrid last month, will have the operation on Friday.
A statement on Barcelona's official website reads:
"Abidal will be operated on Friday.
"The French footballer has detected a tumor to his liver and will undergo surgery.
"Barcelona footballer Eric Abidal will have the operation on Friday at the BarnaClinic Grup Hospital Clinic of Barcelona and it will be carried out by doctor Josep Fuster Obregon.
"As requested by the player, the club would like the maximum respect for his privacy."