Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right pleural effusion has decreased since prior . No pneumothorax . There is mild left pleural effusion , stable . New left perihilar rounded fullness , suggesting mass , similar . Left mid lung , basilar opacity , with worsened left lower lobe consolidation , may represent atelectasis , consider pneumonitis if clinically appropriate . Interstitial prominence bilateral lungs , likely edema , with increased pulmonary vascularity , improved since prior . Heart size is difficult to assess secondary to basilar opacities .
    OUTPUT:
    
No pneumothorax . Improved right pleural effusion . Worsened left basilar opacities , may represent atelectasis , consider pneumonitis clinically appropriate . Improved pulmonary edema . Left perihilar rounded abnormality , suggestive of mass , similar .