Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright chest radiograph was obtained . The lung volumes are decreased . There is no rib fracture or other bony abnormality . No pleural effusion , pulmonary edema , pneumothorax , or focal consolidation is seen . Heart size is poorly assessed on this portal upright film , but is normal on the CT abdomen from the same day .
    OUTPUT:
    
Normal chest radiograph .