Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is an equivocal opacity in the right lower lobe . Cardiomediastinal silhouette and hilar contours are normal . There is no pleural effusion or pneumothorax . Visualized upper abdomen is unremarkable . Osseous structures are grossly intact .
    OUTPUT:
    
Equivocal right lower lobe opacity , which may be accentuated by underinflation . If there is clinical concern for infectious process , oblique views of the lung bases would be helpful for further evaluation .