Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly and upper mediastinal contours are unchanged . Prominence of the hilar pulmonary vasculature is unchanged . No overt pulmonary edema . No focal consolidation , pleural effusion , or pneumothorax .
    OUTPUT:
    
Pulmonary vascular congestion without overt pulmonary edema .