"Leinster Rugby can confirm that Garry Ringrose underwent an operation last Monday," the club said in a statement.
"The operation to address an ongoing shoulder issue was successful but Ringrose will be out for four to five months, depending on his rehabilitation."
Ringrose joins fellow centre Robbie Henshaw, who suffered a pectoral muscle tear while playing for the British and Irish Lions against the Hurricanes and was ruled out for 16 weeks, on the sidelines.
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(Reporting by Aditi Prakash in Bengaluru; editing by Sudipto Ganguly)
