Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are obtained . Lung volumes are low which limits evaluation . There is increased opacity in the right lower lung which could reflect bronchovascular crowding , though the possibility of an early pneumonia can not be excluded . There is no pleural effusion or pneumothorax . Aorta is markedly unfolded . The heart size is normal . Bony structures are intact . There is no free air below the right hemidiaphragm .
    OUTPUT:
    
Bronchovascular crowding versus early pneumonia at the right lung base . If needed , a repeat radiograph with more optimized inspiratory effort may be performed to explain pneumonia , otherwise unremarkable .