Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes . There is a possible right perihilar mid lung zone opacity . A repeat CXR is recommended . There is no evidence of pulmonary edema , large pleural effusions or pneumothorax . The cardiomediastinal silhouette and hila are normal .
    OUTPUT:
    
Possible right perihilar mid lung zone opacity . Repeat CXR is recommended . dw Dr . ___ at 9 .___ am by Dr . ___ ___ the phone .