Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Decreased bilateral pleural effusions . Decreased pulmonary vascularity . Decreased bibasilar infiltrates or atelectasis . Mildly worsened left perihilar opacity . Right upper quadrant stent .
    OUTPUT:
    
Improved pleural effusions . Decreased basilar opacities . Mild worsening left perihilar opacity .