Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation concerning for pneumonia is present . Indistinctness adjacent to the aortic arch have been present since ___ and likely represent atelectasis , however this should be further characterized on a non-urgent basis with CT . There is no pleural effusion or pneumothorax . Mild vascular congestion is unchanged from recent prior studies . Cardiac size is top normal . Mediastinal and hilar contours are otherwise unremarkable .
    OUTPUT:
    
1 ) Mild vascular congestion without evidence of pneumonia . 2 ) Indistinct opacities adjacent to the aortic arch likely represents atelectasis , however this should be further characterized on a non-urgent basis with CT .