Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable views of the chest were obtained . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . Calcification of the aorta is likely present . There is no widening of the mediastinum . Degenerative changes are seen at the acromioclavicular joints .
    OUTPUT:
    
No acute cardiopulmonary process .