A 15-year-old boy was referred to our hospital for further investigation and treatment of sternal osteomyelitis due to blunt chest trauma. more specifically elbowing during a basketball game 19 days earlier. On an initial presentation. his chest was markedly swollen and chest computed tomography demonstrated a sternal fracture and massive fluid collection in the chest wall. https://www.countryscenesaddleryandpetsuppliers.shop/product-category/horse-fly-masks/