Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Midline sternotomy wires are again noted . Diffuse increased ground - glass and reticular nodular opacities , progressed in the interval compatible with progressive pulmonary edema . No large effusion seen . The right hemidiaphragm is elevated . Overall heart size is unchanged . Hila are congested . Imaged bony structures are intact .
    OUTPUT:
    
Severe pulmonary edema .