Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is moderately enlarged , but unchanged in appearance . The aorta is tortuous . A right basal opacity is minimally increased from the prior study done in ___ and may be due to an area of atelectasis , mild pleural thickening or mild asymmetric edema in that area . There is no large pleural effusion or pneumothorax .
    OUTPUT:
    
Right basal opacity appears increased from ___ and may be related to atelectasis , pleural thickening or mild asymmetric edema in that area .