Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are compared to previous exam from ___ . Since prior , there has been interval removal of the left PICC and right internal jugular central line . There is minimal linear opacity at the left lung base most suggestive of atelectasis . Lungs are otherwise clear . There is no effusion or pneumothorax . Cardiomediastinal silhouette is within normal limits . Posterior right eighth rib fracture appears old .
    OUTPUT:
    
No acute cardiopulmonary process .