Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no evidence of pneumomediastinum or pneumothorax . Heart is upper limits of normal in size . Lungs are remarkable for a possible 1 cm diameter nodule in the right upper lobe , difficult to localize and characterize on this single portable view . The patient has had a neck CT on ___ , but this did not extend to this level . It did , however , demonstrate extensive pulmonary emphysema .
    OUTPUT:
    
1 . No evidence of pneumomediastinum or pneumothorax . 2 . Possible right upper lobe lung nodule . Recommend initial confirmation with standard PA and lateral chest radiographs . If confirmed , CT would be recommended for further assessment . Dr . ___ has been notified by telephone of this result at 4 p .m . on ___ .