Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral radiographs of the chest reveal a subtle right infrahilar opacity with air bronchograms . The lungs are otherwise clear lungs and the hilar and cardiomediastinal contours are normal . There is no pneumothorax or pleural effusion . Pulmonary vascularity is normal .
    OUTPUT:
    
Findings concerning for early / focal right infrahilar pneumonia . Change from negative preliminary interpretation was communicated to Dr . ___ by Dr . ___ ___ telephone on ___ at 07 : 50 , 15 minutes after attending review .