Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest was compared to previous exam from ___ . Given differences in positioning and technique compared to prior , there has been no significant interval change . There is no evidence of confluent consolidation or pulmonary vascular congestion . There is no large pleural effusion . Cardiac silhouette is stable .
    OUTPUT:
    
No acute cardiopulmonary process .