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 . The lungs are clear of confluent consolidation . Linear atelectasis identified at the left lung base . There is no effusion . Cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are unchanged .
    OUTPUT:
    
No acute cardiopulmonary process .