Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate interval decrease in size of left pleural effusion , persistent mild pulmonary edema , although perhaps slightly improved since ___ . Basilar atelectasis is present and possibly a tiny right pleural effusion . No new parenchymal opacity concerning for pneumonia is identified . The heart size is stable . A compression deformity in the lower thoracic spine is stable unchanged .
    OUTPUT:
    
Intervally improved left pleural effusion , and stable to slightly improved pulmonary edema since the prior study . The above findings were communicated to Dr . ___ , by Dr . ___ ___ telephone at 1 :50 p .m . , five minutes after discovery .