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 ___ . Right PICC is no longer seen . Lower lung volumes seen on the current exam suggesting bibasilar opacities are atelectasis . Cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are grossly unremarkable .
    OUTPUT:
    
Lower lung volumes without definite acute cardiopulmonary process .