Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Central pulmonary vascular congestion is mild without frank pulmonary edema . Heart size is top - normal . There is no focal consolidation , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is stable . A small hiatal hernia is unchanged .
    OUTPUT:
    
1 . Mild central pulmonary vascular congestion without frank edema . 2 . No focal consolidation .