Three-year-old Hailey Holder Allen (H2) has a 10% chance to live at this stage of her battle with stage IV Alveolar Rhabdomyosarcoma (ARMS), an extremely…

Three-year-old Hailey Holder Allen (H2) has a 10% chance to live at this stage of her battle with stage IV Alveolar Rhabdomyosarcoma (ARMS), an extremely…