Complex sentence: In 1996, UPMC had moved to acquire South Side, Aliquippa and Braddock hospitals and several of the affiliated hospitals began merging with UPMC including St. Margaret Memorial, Shadyside, and Passavant hospitals in 1997 and Magee-Womens Hospital in 1998.
Split into simpler sentences: In 1996, UPMC had moved to acquire South Side, Aliquippa and Braddock hospitals. Meanwhile, UPMC began to merge with several of the already affiliated Tri-State hospitals including St. Margaret Memorial, Shadyside, and Passavant hospitals in 1997 and Magee-Womens Hospital in 1998.