Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The lungs are hyperexpanded but clear consolidation , effusion , or pneumothorax . Increased lucency at the left lung apex and linear markings on the lateral raises the possibility apical bullous disease . Cardiomediastinal silhouette is within normal limits . No acute osseous abnormality .
    OUTPUT:
    
Hyperexpansion without acute cardiopulmonary process .