Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interstitial prominence is unchanged , likely due to vascular engorgement without overt pulmonary edema . There is no focal consolidation , pleural effusion or pneumothorax . The mediastinal contour is normal . The heart size is at the upper limits of normal .
    OUTPUT:
    
Stable interstitial prominence , likely chronic vascular congestion . No acute cardiopulmonary process .