Racan told reporters two days ago he was diagnosed with an atypical tumor of his right shoulder, announcing he would withdrew from the politics until the surgery.
The decision that the surgery be conducted abroad was made by Croatian doctors, despite Racan's request that he be operated on in Croatia, the SDP said in a statement, adding that the costs of the surgery would be covered by Racan's family.
The SDP leader expressed conviction his current condition would not destabilise his party