Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no significant change since ___ . Mildly enlarged heart size is accompanied by upper zone vascular redistribution but no evidence of pulmonary edema . Mediastinal and hilar contours are unchanged from prior . There is no evidence for pulmonary edema , pulmonary consolidation , pleural effusion , or pneumothorax .
    OUTPUT:
    
Mild cardiomegaly and upper zone vascular redistribution without overt pulmonary edema .