Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Dual - lead left - sided pacemaker is seen . There is minimal blunting of the left costophrenic angle which may be due to pleural thickening . No focal consolidation or pneumothorax is seen . The cardiac silhouette is mildly enlarged . The aorta is calcified and tortuous . Evidence of DISH is seen along the thoracic spine as well as some additional degenerative changes .
    OUTPUT:
    
Enlarged cardiac silhouette without overt pulmonary edema .