Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared to previous exam , chest x-ray from ___ , and CT of the abdomen and pelvis performed earlier the same day . Blunting of the left costophrenic angle is likely due to a combination of atelectasis or scar and left cardiophrenic fat pad seen on CT . Increased density projecting over the spine inferiorly is compatible with left basilar bronchiectasis and scarring identified on CT . There is no new consolidation . Cardiomediastinal silhouette is within normal limits . Median sternotomy wires are again seen .
    OUTPUT:
    
No acute cardiopulmonary process .