Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without consolidation or edema . There is no pleural effusion or pneumothorax . There is left hilar prominence , which can be a normal finding in a patient of this age . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
No definite pneumonia . Left hilar prominence may be a normal findings in a patient of this age . If symptoms persist , further evaluation with oblique views of the chest could be obtained to better evaluate for a perihilar opacity . Results were emailed to the ED QA nurses on ___ by Dr . ___ .