Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single lead pacemaker terminates in the left ventricle . The pulmonary vasculature is normal . A rounded opacity seen in the right upper lobe is again worrisome for carcinoma . There is no focal airspace consolidation to suggest pneumonia . The cardiac silhouette is moderately enlarged , slightly increased , without central vascular congestion or pulmonary edema . There is no pleural effusion or pneumothorax . Dense calcifications are seen throughout the aorta .
    OUTPUT:
    
1 . No acute cardiopulmonary process , specifically no evidence of heart failure . 2 . Rounded opacity within the right upper lobe concerning for carcinoma .