Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Minimal left base atelectasis is seen . There is no focal consolidation , pleural effusion , or evidence of pneumothorax . The aorta remains calcified and tortuous . The cardiac silhouette is top - normal . No overt pulmonary edema is seen . Hilar contours are grossly stable . Severe degenerative changes at both shoulder joints are partially imaged .
    OUTPUT:
    
No acute cardiopulmonary process .