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 bibasilar atelectasis and perihilar crowding of bronchovascular markings . There is no convincing evidence of pneumonia or edema . No pleural effusion or pneumothorax . No overt edema . Cardiomediastinal silhouette appears stable . Bony structures intact .
    OUTPUT:
    
Low lung volumes limits assessment . No overt pneumonia or edema .