Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Midline sternotomy wires and mediastinal clips are noted . Lower lung and perihilar opacities are noted which could reflect aspiration / pneumonia . Lung volumes are low limiting assessment . Suture material in the right lung is again noted likely related to a prior resection . No large effusion or pneumothorax . Cardiomediastinal silhouette is stable . Mild hilar congestion is present . Bony structures appear intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Perihilar and lower lung opacities concerning for aspiration / pneumonia . Mild hilar congestion .