Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates borderline enlargement of the cardiac silhouette , similar to the prior examination . The main pulmonary artery is prominent . Central pulmonary vascular congestion is similar to the most recent examination . Bibasilar linear opacities are most consistent with atelectasis . No large focal consolidation , pleural effusion , or pneumothorax is identified .
    OUTPUT:
    
Similar examination to comparison from 10 hours prior .