UPDATE 1-BTG Pactual to sell Brazil hospital stake to GIC, source says

SAO PAULO, Nov 29 (Reuters) - Grupo BTG Pactual SA has agreed to sell its 12 percent stake in Rede D'Or São Luiz SA, Brazil's largest hospital chain, to Singapore's sovereign wealth fund GIC Pte Ltd for almost 2.5 billion reais ($633 million), a source directly involved in the deal said on Sunday.