Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The inspiratory lung volumes are decreased with resultant crowding of bronchovascular structures . Within this limitation , there is no significant focal consolidation , pleural effusion or pneumothorax . There is resultant prominence of the cardiac mediastinal silhouette due to low lung volumes which is likely within limits . No acute osseous abnormality is detected .
    OUTPUT:
    
Decreased lung volumes without acute cardiopulmonary process .