Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is mildly enlarged but unchanged . Mitral annular calcifications are noted . The mediastinal and hilar contours are stable , with mild atherosclerotic calcification of the thoracic aorta noted . Mild cephalization of the pulmonary vascular markings may suggest mild pulmonary vascular congestion , similar compared to the previous exam . No focal consolidation , pleural effusion or pneumothorax is present . There is diffuse demineralization of the osseous structures with mild loss of height of a mid thoracic vertebral body which appears unchanged .
    OUTPUT:
    
No radiographic evidence for pneumonia . Mild pulmonary vascular congestion , similar compared to the previous exam .