Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A nodular opacity projecting over the right lung base is most likely a nipple shadow . However , the nodular opacity projecting over the right lung apex corresponds to a known right apical nodule . The known left perihilar mass with associated left lower lobe subsegmental atelectasis is re-demonstrated . There is no new consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
No significant interval change .