Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An AP upright portable view of the chest was obtained . Cardiac silhouette remains top normal to mildly enlarged . There is minimal central pulmonary vascular engorgement . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . Mild left base atelectasis is seen . The aorta is calcified and tortuous .
    OUTPUT:
    
Minimal central pulmonary vascular engorgement without overt pulmonary edema .