Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single erect AP portable view of the chest was obtained . The lungs remain hyperinflated , flattening in the diaphragms , consistent with COPD . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . No overt pulmonary edema is seen .
    OUTPUT:
    
COPD . No acute cardiopulmonary process seen .