Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographdemonstrates mildly hypoinflated lungs with crowding of vasculature . Heterogeneous right lower lobe opacity is only seen on frontal projection . No pleural effusion or pneumothorax . Heart size , mediastinal contour , and hila are unremarkable . Limited assessment of the upper abdomen is within normal limits .
    OUTPUT:
    
Heterogeneous right lower lobe opacity only seen on frontal projection is most consistent with right lower lobe atelectasis however superimposed infection can not be excluded . Clinical correlation is recommended .