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 consistent with chronic obstructive pulmonary disease and underlying pulmonary emphysema . There is persistent eventration of the right hemidiaphragm or posterior diaphragmatic hernia , unchanged since priors . No definite focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are stable , as are the hilar contours .
    OUTPUT:
    
Pulmonary emphysema without acute cardiopulmonary process seen .