Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph ___ at 20 :38 is submitted .
    OUTPUT:
    
Lungs remain hyperinflated consistent with underlying emphysema . No focal airspace consolidation is seen to suggest pneumonia . No pulmonary edema . No large effusions . No pneumothorax . Overall cardiac and mediastinal contours are stable . Faint 4 mm nodular opacity in the right sixth interspace with no definite correlate on the recent chest CT of ___ . Given the patient 's history of emphysema , followup imaging with either chest radiograph or CT should be considered