Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The heart is of normal size with stable cardiomediastinal contours . Scattered parenchymal opacities are better characterized on CT likely reflect atypical infection . Bilateral pleural effusions are moderate in size , similar to ___ , though increased since ___ . No pneumothorax . Sternotomy wires are intact . Mediastinal clips and coronary artery stents are similar to prior .
    OUTPUT:
    
Moderate - sized bilateral pleural effusions , similar to ___ . Scattered opacities , better characterized on same - day CT , likely represent pneumonia .