Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and clear . There is no pleural effusion or pneumothorax . The heart is mildly and stably enlarged without overt pulmonary edema . Calcified aortic contour seen with otherwise normal mediastinal contours . Mid thoracic spine vertebral body height loss is mildly progressed since ___ .
    OUTPUT:
    
No acute intrathoracic process .