Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Given the patient 's age , I doubt that the minimal interstitial abnormality visible is acute edema . There is atelectasis at both lung bases , left greater than right . Heart is mildly - to - moderately enlarged , comparable to the size on the chest CT in ___ , which also showed substantial aortic valvular calcification , suggesting stenosis . Pleural effusions are small if any . No pneumothorax . Cement vertebroplasty noted at multiple levels in the thoracic spine , as well as severely degenerated right shoulder .
    OUTPUT:
    
AP chest read in conjunction with most recent prior chest imaging , a CT on ___ .