Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinum is unremarkable . The heart size is normal . There is bibasilar atelectasis . There are no pleural effusions or findings to suggest pulmonary edema . There is no large consolidation concerning for pneumonia . Within the right lower lung , more visible on the frontal view , is a 7 - mm rounded opacity .
    OUTPUT:
    
1 . 7 - mm nodular opacity at the right lung base may represent superimposition of structures ; however , non-emergent oblique views are recommended to ascertain if this finding is a true pulmonary nodule . 2 . No pulmonary edema .