Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . There is a right upper lung , somewhat rounded opacity as seen on previous exam . Again , this remains concerning for neoplasm . The lungs are otherwise grossly clear noting some right basilar atelectasis . Left chest wall single lead pacing device seen with lead tip in the right ventricular apex . Cardiac silhouette is enlarged but stable in configuration . Atherosclerotic calcification is seen within the aorta .
    OUTPUT:
    
No definite acute cardiopulmonary process . Right upper lung rounded opacity again concerning for malignancy .