Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest were compared to previous exam from ___ . Exam is limited secondary to AP technique and patient 's body habitus . There is no large confluent consolidation or effusion . There is no significant pulmonary vascular redistribution . Cardiac silhouette is stable . Dense atherosclerotic calcifications noted at the arch . Osseous and soft tissue structures are unchanged .
    OUTPUT:
    
No definite acute cardiopulmonary process .