Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Low lung volumes limits assessment . There is bronchovascular crowding in the lower lungs without convincing signs of pneumonia or edema . No large effusion or pneumothorax . The cardiomediastinal silhouette appears grossly unchanged . Bony structures appear intact .
    OUTPUT:
    
Limited , negative .