Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate a 5 x 7 mm nodule at the right lung apex . This was not clearly visualized on the prior radiograph . Otherwise the lungs are clear . The heart , mediastinal and hilar contours are normal . No pleural abnormality is detected .
    OUTPUT:
    
5 x 7 mm right apical nodule . Followup chest radiograph in 6 months is recommended .