Mark Alan Jastczemski, Age 27, after a long battle with Lung Disease. Beloved son of Alan and Pamela nee Janiszewski. Loving grandson of Leona and the late Anthony Janiszewski and the late Frank and the late Lottie Jastczemski. Dear godfather to Mason Moreno. Fond nephew and cousin of many. Visitation Friday July 12th from 3 to 9:00 p.m. at Cumberland Chapels, 8300 W. Lawrence Ave., Norridge. Funeral Service will begin Saturday 11:00 a.m. at the funeral home and then will proceed to Our Lady of Hope Church, Rosemont for Mass 12Noon. Interment Private. In lieu of flowers, memorial donations to Leukemia & Lymphoma Society, 651 W. Washington Blvd., Chicago, IL 60661 or Gift of Hope, 425 Spring Lake Dr., Itasca, IL 60143. Funeral Info: 708-456-8300 or www.cumberlandchapels.com