Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are obtained . There are slightly low lung volumes and minimal basilar atelectasis . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . There is minimal right apical thickening , unchanged . The aortic knob is calcified . Otherwise , the cardiac silhouette is stable and unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process . Thin calcification seen along the aortic arch .