Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The lungs remain hyperinflated with flattening of the diaphragms , suggesting chronic obstructive pulmonary disease . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The cardiac and mediastinal silhouettes are stable with the cardiac silhouette top normal - to - mildly enlarged . No overt pulmonary edema is seen .
    OUTPUT:
    
No acute cardiopulmonary process .