Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Aortic knob calcifications are redemonstrated . The mediastinal and hilar contours are within normal limits . The pulmonary vasculature is normal . Apart from minimal atelectasis in the left lung base , the remainder of the lungs are clear . No focal consolidation , pleural effusion or pneumothorax is identified . There are no acute osseous abnormalities . Degenerative changes are noted within the right glenohumeral joint .
    OUTPUT:
    
No acute cardiopulmonary abnormality .