Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal silhouette and hilar contours are unremarkable . A 1 .2 cm nodular opacity in the right lung base has no lateral correlate and is new from ___ . The left lung is clear . There is no pleural effusion or pneumothorax . The osseous structures are grossly unremarkable .
    OUTPUT:
    
Nodular opacity at right lung base for which repeat frontal with shallow obliques can be performed to assess if this may be superimposed shadows vs a parenchymal nodule .