Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiograph from ___ , there is a new small left pleural effusion . The heart is normal in size . The mediastinal and hilar contours are within normal limits . Lung volumes are reduced ; however , there are no focal consolidations . There is no pneumothorax .
    OUTPUT:
    
New small left pleural effusion . If concern for PE , further evaluation with chest CT is recommended . These findings were discussed with Dr . ___ by Dr . ___ via telephone on ___ at 4 : 15 p .m . , at time of discovery .