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 grossly clear of large confluent consolidation or effusion . Cardiomediastinal silhouette has not changed given differences in positioning and technique . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
No definite acute cardiopulmonary process noting low lung volumes which limits exam .