Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Ill - defined patchy opacities are seen in the right lung base with an associated small right pleural effusion , which is also confirmed in the lateral view . A dense left - sided retrocardiac opacity abutting the left hemidiaphragm is unchanged since at least ___ compatible with a Bochdalek hernia . A small left pleural effusion is also likely present . There is biapical pleuro - parenchymal scarring , more conspicuous in the left apex . No other focal opacities are identified . Mild cardiomegaly is unchanged from prior . There is no pneumothorax .
    OUTPUT:
    
Right lower lobe pneumonia . Small bilateral pleural effusions .