Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest was obtained . The cardiac silhouette remains markedly enlarged , as was seen previously . There is also prominence of the central pulmonary vasculature , without overt pulmonary edema . No pleural effusion or pneumothorax is seen . There is no focal consolidation .
    OUTPUT:
    
Marked cardiomegaly and central vascular prominence without overt pulmonary edema .