SAO PAULO, April 16 (Reuters) - Brazilian hospital chain Rede D'Or RDOR3.SA said on Wednesday it had signed definitive documents to sell its stake in GSH, a firm which operates in hemotherapy and cellular therapy, to CVC Capital Partners's CVC.AS George Holding.

George Holding is acquiring 98.5% of GSH, including the 41% owned by Rede D'Or, in a deal valuing the company at 1.59 billion reais ($271 million), subject to net debt adjustments, according to separate filings from Rede D'Or and GSH.

($1 = 5.8665 reais)

(Reporting by Andre Romani, Editing by Natalia Siniawski)

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