Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable frontal chest radiograph again demonstrates a normal cardiomediastinal silhouette and hyperinflated lungs , as before . There is no focal consolidation , pleural effusion , or pneumothorax . No overt pulmonary edema identified . Biapical pleural thickening is again noted The visualized upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process . COPD