Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are moderately well inflated with mild pulmonary edema . Bibasilar opacities seen on both frontal and lateral projection have increased since prior examination with a new right lower lung opacity appearing triangular in shape . A new small right pleural effusion is present . No left pleural effusion . No pneumothorax . Severe cardiomegaly is stable since prior examination .
    OUTPUT:
    
1 . Progression of triangular - shaped right lower lobe opacity is worrisome for right lower lobe collapse . 2 . Bibasilar opacities with new small right pleural effusion is worrisome for bibasilar pneumonia or aspiration pneumonia . Although less likely differential includes asymmetric pulmonary edema . 2 . Stable severe cardiomegaly with persistent mild pulmonary edema .