Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Midline sternotomy wires , dual - lead left chest wall pacer are stable from prior exam . The lungs appear clear bilaterally . There is minimal blunting along the left CP angle best seen on lateral view which could indicate a small pleural effusion . There is no pulmonary edema , signs of pneumonia , or pneumothorax . Cardiomediastinal silhouette appears grossly stable . The degree of hilar engorgement appears stable . No definite signs of interstitial or alveolar edema . Atherosclerotic calcification along the aortic knob noted . Bony structures appear stable . Old right mid cage posterior rib deformity again noted .
    OUTPUT:
    
Mild pulmonary vascular congestion with tiny left pleural effusion .