Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs again demonstrate hyperexpansion with flattened hemidiaphragms . However , there is no focal consolidation , pleural effusion , or pneumothorax . The cardiac , hilar , and mediastinal contours are normal . The heart size is normal . Accentuation of thoracic kyphosis is again seen .
    OUTPUT:
    
No acute cardiopulmonary process .