Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were obtained . CT chest ___ ___ also used for comparison purposes . There is no focal consolidation , effusion , or pneumothorax . Lung volumes are slightly low . Cardiomediastinal silhouette is normal . Atherosclerotic calcifications along the aortic knob noted . Bony structures appear intact .
    OUTPUT:
    
No acute intrathoracic process .