Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Mild hilar prominence may reflect central airways inflammation in the setting of asthma . No lobar consolidation . No pleural effusion or pneumothorax . The heart size is normal . The mediastinal contour is unremarkable .
    OUTPUT:
    
Subtle prominence of the pulmonary hila may reflect central airways inflammation .