Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were provided . There are asymmetric opacities most notable in the left upper lung and left mid lung , which raise potential concern for pneumonia . Mild background edema could be present as well . Small bilateral effusions noted with stable cardiomediastinal silhouette . Tracheobronchial tree calcification noted . Old right humeral neck deformity noted .
    OUTPUT:
    
Cardiomegaly with small bilateral effusions and mild pulmonary edema . Left upper lobe opacities raise concern for superimposed pneumonia .