But the archdiocese did not provide further details about the medical condition, and whether it's something that could prolong Byrnes' absence from Guam.

"Please continue to pray for our archbishop. He has always appreciated the kindness of the people," Convocar, who has been overseeing the Catholic Church on Guam in Byrnes' absence, said in a statement after media inquiries.

The extended medical leave has permission "from the Pope's Nuncio and Apostolic Delegate for the Pacific islands (Archbishop Novatus Rugambwa) to address important medical needs."

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