Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no evidence of focal consolidation , pleural effusion , pneumothorax , or frank pulmonary edema . Blunting of the left costophrenic angle on the lateral view suggests chronic pleural thickening rather than small effusion . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .