Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate left pleural effusion has slightly decreased size compared with prior study of ___ . Residual density overlying the heart likely represents loculated effusion with superimposed rounded atelectasis . Small right pleural effusion is unchanged . The trace fluid in the right minor fissure has decreased . There is no pneumothorax or pulmonary edema . There is stable moderate cardiomegaly .
    OUTPUT:
    
1 . Interval slight decrease in size of left pleural effusion . 2 . Unchanged small right pleural effusion .