Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Small right pneumothorax is unchanged in appearance from the prior study . Small pleural effusion is also seen on the right as on the recent prior . Hazy right mid lung opacity likely corresponds to a small amount of expected hemorrhage surrounding the biopsied nodule . The left lung is clear . The patient 's known multiple nodules are better seen on CT . There is no left effusion or pneumothorax . The heart is normal in size with normal cardiomediastinal silhouette .
    OUTPUT:
    
Unchanged small right pneumothorax and pleural effusion following biopsy of right lower lobe nodule .