Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are hyperinflated . The previous ground - glass opacity surrounding the fiducial marker in the left upper lobe has improved , reflecting partial resolution of hemorrhage . Small to moderate left pneumothorax is new since the prior exam . Left pleural effusion has increased since the prior study , now small to moderate . The right lung is grossly clear and known nodules are better evaluated on prior CT .
    OUTPUT:
    
1 . New small to moderate left hydropneumothorax . 2 . Interval improvement in the left upper lobe hemorrhage from prior procedure .