Advent International has agreed to acquire a minority stake in Fleury (BOVESPA: FLRY3), a diagnostic services provider in Brazil, from a physician group that currently owns a significant interest in the company. As outlined in the deal, Advent will acquire 13% of Fleury and the physician group will retain a 28.3% stake. Founded in 1926, the company offers a broad range of premium diagnostic services in laboratory medicine, imaging and pathology. It served more than 8 million patients in 2014 and performed 54 million tests. The deal is expected to close in Q4.