Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Subtle bibasilar reticular pattern is new . No focal consolidation , effusion , or pulmonary edema is seen , and the cardiomediastinal silhouette is normal .
    OUTPUT:
    
Subtle bibasilar reticular pattern which can represent nonspecific scarring , atypical pneumonia or drug toxicity . CT scan of the chest may be considered for further investigation . Findings were conveyed via telephone to Dr . ___ by Dr . ___ at approximately 11 :45 on ___ after initial discovery .