Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable AP chest radiograph was obtained . Prominance of the upper lobe vasculature has progressed since ___ . Moderate - to - severe cardiomegaly is unchanged . There are no new abnormal cardiac or mediastinal contours .
    OUTPUT:
    
Mild pulmonary vascular congestion has progressed since ___ .