Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Lungs are relatively 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 and unremarkable . There is minimal loss of height of the mid thoracic vertebral body superior endplate , which is likely stable since the prior study .
    OUTPUT:
    
No acute cardiopulmonary process .