Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the most recent prior dura has been no significant interval change . Again seen is a spiculated left lower lobe mass . Prominent background interstitial markings as well as complete collapse of the right lower lobe and right apical consolidation are all unchanged . There is likely a small right pleural effusion . No pneumothorax is seen .
    OUTPUT:
    
No significant interval change since prior study . No pneumothorax .