Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , increasing left lower lobe opacities are likely due to a combination of pleural effusion and moderate basilar atelectasis causing left hemidiaphragm elevation . Superimposed pneumonia can not be ruled out . Small right pleural effusion and basilar atelectasis is also increased since ___ . No obvious pneumonia is seen in the right lung . Moderate cardiomegaly is unchanged . The right lung is clear . No pneumothorax .
    OUTPUT:
    
Increase in bilateral pleural effusion , left greater than right , with increased bibasilar atelectasis and left hemidiaphragm elevation since ___ . Superimposed pneumonia in the left lower lung can not be excluded .