Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The cardiac silhouette is top normal . Mediastinal contours are unremarkable . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . Slight prominence of the hila most likely relates to pulmonary vascular engorgement . There are degenerative changes along the spine .
    OUTPUT:
    
Central pulmonary vascular engorgement .