Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . On the lateral view there is increased density projecting over the posterior costophrenic angles . Superiorly the lungs are clear . There is no pulmonary vascular congestion . Cardiac silhouette is enlarged but stable . Dual lead pacing device again noted as well as median sternotomy wires . Osseous structures are unremarkable .
    OUTPUT:
    
Increased opacity projecting over the posterior costophrenic angles on the lateral view may be due to atelectasis , consolidation or potentially aspiration .