Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The heart is of normal size with normal cardiomediastinal contours . Small linear atelectasis overlying the right mid lung is similar to prior . No pleural effusion or pneumothorax . The pulmonary vascular markings are normal . No radiopaque foreign body . Multilevel thoracic spine degenerative changes are similar to prior .
    OUTPUT:
    
No acute cardiopulmonary process .