Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the prior exam , there is increased blunting of bilateral costophrenic angles left greater than right related to pleural effusion . The heart size remains mildly enlarged . No focal opacities which are concerning for infection . No pneumothorax . Deviation of the trachea could be due to the aortic knob or simply and patient rotation . Aorta is unfolded . Decreased pulmonary edema from 4 days prior .
    OUTPUT:
    
Small bilateral pleural effusions and mild cardiomegaly but improved pulmonary edema from 4 days prior .