Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Small bilateral pleural effusions with pleural fluid seen in the major fissure on the lateral view . Also on the lateral view there appears to be increased opacity in the lower lobe , possible pneumonia , though no definite correlate on the frontal view differentiate which side . No pneumothorax is seen . Mild cardiomegaly unchanged . Mediastinal contours are unchanged . Median sternotomy wires and mediastinal clips are again noted , patient is status post CABG and mitral valve replacement .
    OUTPUT:
    
Possible pneumonia in the lower lobe seen only on the lateral view , unclear which side Small bilateral pleural effusions