Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs . The patient is rotated to the right . There is an inferior approach hemodialysis catheter terminating in the right atrium . The lungs are clear . There is no pleural effusion or pneumothorax . There may be mild pulmonary vascular engorgement , but no interstitial edema . The cardiomediastinal silhouette is stable .
    OUTPUT:
    
No acute cardiopulmonary process .