Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is slight blunting of the right costophrenic sulcus , which may represent combination of atelectasis and very small pleural effusion . Also , at the lateral aspect of the right hemidiaphragm is apparent slight focal concavity or lobulation of the diaphragm , which may represent adjacent airspace opacity or normal contour of the diaphragm .
    OUTPUT:
    
Small right pleural effusion with question of possible peripheral right lower lobe opacity , which may represent infection in the right clinical setting .