Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph obtained . Lung volumes are low though , allowing for this , there is no focal consolidation , effusion , or pneumothorax . Lower lung plate - like atelectasis is again noted . No pneumothorax or pleural effusion . Cardiomediastinal silhouette is normal . Bony structures are intact .
    OUTPUT:
    
Lower lung atelectasis , low lung volumes . No acute findings .