Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lung volumes somewhat low . Allowing for this , there is no definite sign of pneumonia , edema . No large effusion or pneumothorax . Cardiomediastinal silhouette appears stable . Hilar contours are unchanged . Bony structures are intact .
    OUTPUT:
    
Limited , negative .