Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a small right apical pneumothorax . The previously visualized right pleural effusion has decreased , but remains moderate in size with resulting right middle and lower lobe compressive atelectasis . Lungs are otherwise clear . The cardiomediastinal silhouette is stable . The pulmonary vasculature is normal . There are no acute osseous abnormalities .
    OUTPUT:
    
1 . New small right apical pneumothorax . 2 . Decreased size of right pleural effusion status post thoracentesis .