Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a moderate left pleural effusion that is mildly increased since ___ . There is plate atelectasis in the mid left lung . Opacification of the left lung parenchyma has resolved . There is pneumothorax . Mild cardiomegaly is unchanged . There is no pulmonary vascular congestion .
    OUTPUT:
    
Small interval increase in left pleural effusion .