Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The cardiac silhouette is enlarged . Mediastinal and hilar contours are stable . No pleural effusion is seen . There is no focal consolidation . There is minimal prominence of the interstitial markings , grossly stable compared to the prior study . There is sclerosis of a vertebral body at the thoracolumbar junction with prior vertebroplasty / kyphoplasty .
    OUTPUT:
    
Enlarged cardiac silhouette without definite acute cardiopulmonary process .