Tennessee-based Community Health Systems Inc. is acquiring MetroSouth Medical Center in Blue Island, adding to the companys roster of hospitals in Illinois and the Chicago area.

Terms of the deal were not disclosed. In a Monday statement, Community Health Systems said it expects the acquisition to be finalized in the first quarter of 2012. MetroSouth Medical Center, which has 244 beds, will be Community Health Systems ninth affiliated hospital in Illinois and its third in the greater Chicago region. The company, which is publicly traded and based in a suburb of Nashville, also owns the Vista Health System, which has facilities throughout Lake County.