Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Midline sternotomy wires and tracheostomy tube again noted as well as a right IJ access dialysis catheter with its tip extending to the right atrium . Previously noted PICC line has been removed . Bilateral extensive airspace opacities concerning for edema with possible superimposed pneumonia . Bilateral pleural effusions are small . No pneumothorax . Cardiomediastinal silhouette appears unchanged . Bony structures appear intact .
    OUTPUT:
    
Diffuse pulmonary airspace opacities as on prior likely represent pulmonary edema with possible superimposed pneumonia . Small bilateral pleural effusions are likely present .