Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a 6 - mm nodular opacity in the right lower lung field seen on the two PA views . This opacity is possibly seen on the lateral view as well . It is new from the prior examination on ___ , when the right hemidiaphragm was markedly elevated , possibly obscuring it . It was not present on the ___ radiograph . The lungs are otherwise clear . The hilar and cardiomediastinal contours are normal . There is no pneumothorax or pleural effusion . Pulmonary vascularity is normal . There is possible pleural thickening obscuring the right costophrenic sulcus .
    OUTPUT:
    
1 . No pneumonia or congestive heart failure . 2 . 6 - mm possible lung nodule in the right lower lung field , not seen on prior studies . Further evaluation with outpatient chest CT is recommended .