Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The lungs are hyperinflated with flattening of the diaphragms . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The cardiac and mediastinal silhouettes are stable with the cardiac silhouette top normal . The aortic knob is calcified . There is no overt pulmonary edema .
    OUTPUT:
    
No acute cardiopulmonary process .