Theresa “Terri” M. Litterski, née Schalke, 60, of Park Ridge. Passed away on Thursday August 28, 2014 at Advocate Lutheran General Hospital in Park Ridge. Born in Chicago on Friday November 20, 1953 to Norbert and Dorothy (née Sanocki) Schalke. Terri fought a 6 year long and courageous battle against cancer. Beloved wife of Gene E.; devoted mother of Amelia “Amy” (Paul) DeSario; cherished sister of Daniel (Elaine) Schalke and Nancy (John) Konstantos; beloved aunt of Ari; loving aunt and great aunt of many others; dear friend to many. Memorial visitation Tuesday September 2, 2014 from 3-9pm at Malec & Sons Funeral Home 6000 N. Milwaukee Ave Chicago. Memorial mass to be held Wednesday September 3, 2014 at 11:30am at Our Lady of Ransom Church 8300 N. Greenwood Niles, IL. In lieu of flowers donations appreciated to Melanoma Research Foundation www.melanoma.org.