Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval placement of a right chest tube . The right pneumothorax is slightly decreased in size . Low bilateral lung volumes . No focal consolidation is identified . The right pleural effusion is unchanged given differences in technique . The size of the cardiac silhouette is enlarged and may be secondary to low lung volumes .
    OUTPUT:
    
Interval placement of a right chest tube with interval decrease in size of the right pneumothorax , now small in extent .