Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A 1 .8 cm right lower lobe nodule was previously seen on the CT from ___ . No new pulmonary nodules are identified . The lungs are otherwise clear . The heart and mediastinal contours are unchanged . A chronic left perihilar opacity is unchanged . There are no pleural effusions . No pneumothorax is seen . Surgical clips are noted in the upper abdomen .
    OUTPUT:
    
1 . No acute cardiac or pulmonary findings . 2 . Unchanged calcified 1 .8 cm right lower lobe nodule .