Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the prior examination , there are decreased lung volumes and the interval development of a moderate left pleural effusion . There is no definite focal consolidation , right - sided pleural effusion , pneumothorax , or appreciable pulmonary edema . The heart borders are not well visualized . The mediastinal and hilar contours are stable .
    OUTPUT:
    
Interval development of a left moderate pleural effusion . No overt pulmonary edema or focal consolidation . Findings were conveyed by Dr . ___ to Dr . ___ ___ telephone at 14 : 22 on ___ , 5 minutes after discovery .