Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right chest central venous catheter is again seen with distal tip projecting over the RA . Allowing for changes due to patient rotation and inspiratory effort , the cardiomediastinal silhouette is unchanged . The bilateral hila are normal . The lungs are clear . There is no evidence of pulmonary vascular congestion . There is no effusion or pneumothorax .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .