Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The lungs are clear without focal consolidation , pleural effusion or pneumothorax . There is mild atelectasis at the right lung base . Heart size is within normal limits . Aortic tortuosity is unchanged since ___ . Pulmonary vasculature is normal . Multilevel thoracic vertebral body loss of height is similar in appearance to ___ . No displaced rib fracture is seen .
    OUTPUT:
    
No acute intrathoracic process .