Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The mediastinal and hilar contours are normal . Pulmonary vascularity is normal . Within the left lung apex , there is a 14 mm faint rounded opacity not clearly seen on the prior exam . Remainder the lungs are clear without focal consolidation . No pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
14 mm faint rounded opacity within the left lung apex , new from prior exams . This finding is nonspecific and may reflect an inflammatory or infectious process , and a follow up radiograph after treatment is recommended to ensure resolution of this finding . If this finding persists , a chest CT is recommended .