Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Note is again made of a linear opacity in the lingula , which is unchanged from the prior study and likely represents a scar . No focal consolidation concerning for pneumonia is detected . Biapical pleural thickening is noted , which appears symmetrical . No significant pleural effusion or pneumothorax is detected . The pulmonary vasculature is not engorged . The cardiac silhouette is normal in size . A bulge at the aortic arch is stable from the prior study and corresponds to the patient 's known pseudoaneurysm . The trachea is midline . Right - sided rib deformities are also unchanged .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Stable contour of the aortic arch and known pseudoaneurysm by chest radiography .