Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A frontal chest radiograph again demonstrates a small apical pneumothorax , which is unchanged . Bilateral pleural effusions are slightly increased . Left base atelectasis is unchanged . The lungs are otherwise clear without pulmonary edema or focal consolidation . The cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
1 . Unchanged small apical pneumothorax and left base atelectasis . 2 . Slightly increased bilateral pleural effusions .