Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . The lungs appear clear bilaterally without focal consolidation , effusion , or pneumothorax . No signs of CHF . The heart and mediastinal contours appear normal , though there are atherosclerotic calcifications noted along the aortic knob . The bony structures appear stable with a stable T8 compression deformity as previously characterized on CT .
    OUTPUT:
    
No acute intrathoracic process .