Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were obtained for this exam . Direct comparison was made to the immediate preceding film on ___ . Cardiac size is normal . The mediastinal and hilar contours are normal . There is no pleural effusion or pneumothorax . There is crowded vasculature with perivascular densities in the left lower lung zone .
    OUTPUT:
    
Left lower lung zone perivascular densities . In the appropriate clinical setting this is consistent with a bronchopneumonic infection . Recommend followup in two weeks after treatment to document resolution .