Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . There has been interval improvement in aeration of the right upper lobe with bulging of the right paratracheal stripe and hilar contour compatible with known lymphadenopathy . There is no pulmonary vascular congestion . No focal consolidation , pleural effusion or pneumothorax is seen . Linear atelectasis is noted within the right upper lobe . There are no acute osseous abnormalities . No pneumomediastinum is seen .
    OUTPUT:
    
Interval improvement in aeration of the right upper lobe . Bulging of the right paratracheal stripe and hilum compatible with underlying lymphadenopathy . No pneumomediastinum is identified .