Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The known right upper lobe nodule with surrounding postprocedural changes is re demonstrated . A new opacity that projects over the right heart border on the frontal radiograph , and spine on the lateral radiograph is likely due to right lower lobe subsegmental atelectasis . New minimal left basilar subsegmental atelectasis is present . The moderate right pneumothorax is slightly decreased . The heart and mediastinum are within normal limits .
    OUTPUT:
    
Slightly decreased moderate right pneumothorax . New right lower lobe subsegmental atelectasis and minimal left basilar subsegmental atelectasis . Stable appearance of right upper lobe nodule with surrounding post - procedural changes .