Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well inflated and clear . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal and unchanged . Pleural surfaces are unremarkable . There has been interval placement of a right - sided Port - A - Cath terminating in the mid to low SVC .
    OUTPUT:
    
No evidence of infection or malignancy .