Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral lungs are clear . There is no pleural effusion or pneumothorax . Blunting of the left costophrenic angle and a linear opacity at the mid left lung are unchanged and likely reflect postoperative changes from left lower lobe wedge resection . Cardiomediastinal silhouette is normal size .
    OUTPUT:
    
No acute cardiopulmonary process is identified .