July 9 - Fitch Ratings has assigned a 'B/RR5' rating to Community Health Systems' (Community) $1 billion proposed senior unsecured notes due 2020. Proceeds will be used to refinance Community's senior unsecured notes due 2015. Fitch currently rates Community's long-term IDR 'B+'. The Rating Outlook is Stable. The ratings apply to approximately $9.3 billion of debt at March 31, 2012. A full list of rating actions appears below. THE 'B+' IDR PRIMARILY REFLECTS --Community's financial flexi