Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Minor left basilar atelectasis is seen . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The cardiac silhouette is stable , mildly enlarged . Mediastinal and hilar contours are stable . Aortic arch calcification is seen . There is no overt pulmonary edema . Some degenerative changes are seen at the shoulder and acromioclavicular joints , as well as along the spine .
    OUTPUT:
    
No acute cardiopulmonary process .