Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A dual - lead pacemaker / ICD device appears unchanged . The cardiac , mediastinal and hilar contours appear stable . A pleural effusion on the left appears substantially decreased and is small . There is possibly a trace pleural effusion also on the right but without any increase . Hazy bilateral opacification of each lung is similar . Perihilar fullness has decreased . Fissures remain thickened . The bones appear demineralized .
    OUTPUT:
    
Findings suggesting mild pulmonary edema , somewhat decreased .