Join The Leukemia & Lymphoma Society (LLS) in the fight to cure cancer by participating in Big Climb. Challenge yourself to climb 70 flights of stairs to the top of Bank of America Plaza and raise critical funds in support of cancer research and patient support. The Leukemia & Lymphoma Society (LLS) is the world's largest voluntary health agency dedicated to blood cancer. The LLS mission: Cure leukemia, lymphoma, Hodgkin's disease and myeloma, and improve the quality of life of patients and their families. LLS funds lifesaving blood cancer research around the world and provides free information and support services.