Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild pulmonary vascular congestion . Increased opacity overlies the lower thoracic spine on the lateral view and is difficult to localize on the PA view . The cardiomediastinal silhouette and hilar contours are stable . There is no pleural effusion or pneumothorax . Multiple prior healed right rib fractures are unchanged . Atherosclerotic calcifications of the aortic arch are again noted . Degenerative changes are seen at the right shoulder .
    OUTPUT:
    
1 . Subtle increased opacity overlying the lower thoracic spine on the lateral view may be projectional . A repeat lateral radiograph may be helpful to exclude a basilar pneumonia . 2 . Mild pulmonary vascular congestion