Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . A residual vague opacity in the left mid lung associated with a fiducial marker appears unchanged . Multifocal opacities in the upper lobes are probably unchanged allowing for differences in modality . Superimposed reticulation suggests mild vascular congestion . On the right , there is again a moderate pleural effusion .
    OUTPUT:
    
Findings suggesting mild pulmonary edema . Persistent moderate - sized right - sided pleural effusion .