Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Lung volumes are low . Lungs appear clear without focal consolidation , large effusion or pneumothorax . The cardiomediastinal silhouette appears stable with atherosclerotic calcifications along the aortic knob . The imaged bony structures appear intact with multilevel degenerative changes in the T - spine .
    OUTPUT:
    
No acute intrathoracic process .