Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest are compared to previous exam from ___ . Lower lung volumes seen on the current exam . That said , there is no large confluent consolidation or effusion . Pulmonary vascular crowding is seen . Cardiac silhouette is enlarged and the aorta is tortuous , similar compared to prior . Osseous structures notable for hypertrophic changes in the spine . Multiple surgical clips are noted in the right upper abdomen .
    OUTPUT:
    
No definite acute cardiopulmonary process .