Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Lung volumes are again low , with accentuation of the cardiomediastinal silhouette and bronchovascular crowding . Prominence of interstitial lung markings is slightly increased compared to prior . Patchy opacities in the right cardiophrenic angle partially obscure the right cardiac margin , as on ___ . Patchy opacities in the left lung base projecting over the cardiac shadow are also similar to ___ . There is no effusion or pneumothorax . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen . Sternotomy wires appear intact .
    OUTPUT:
    
1 . Mild pulmonary edema . 2 . Patchy opacities in the right middle lobe and left lung base could represent multifocal pneumonia in the appropriate clinical setting .