Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest was obtained . Mild cardiomegaly is stable . The mediastinal contours are normal . Increased pulmonary vascular markings are stable since ___ but worsened since ___ , suggestive of chronic pulmonary vascular congestion . No focal consolidation , pleural effusion , or pneumothorax . Asbestos related pleural plaque at the lung bases appears unchanged . Right atrial and right ventricular leads of a left chest wall pacer are in unchanged position .
    OUTPUT:
    
Pulmonary vascular congestion , similar to prior .