Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Linear opacities again seen in the right mid lung likely due to scarring versus atelectasis . There is mild prominence of the interstitial markings suggesting interstitial edema . There is a small left pleural effusion . Cardiomediastinal silhouette is within normal limits . Dual - lead pacing device is again seen with median sternotomy wires and mediastinal clips as well . No acute osseous abnormality is identified .
    OUTPUT:
    
Mild interstitial edema and small left effusion without superimposed consolidation .