Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A Port - A - Cath terminates at the cavoatrial junction . An esophageal stent projects over the lower part of the mediastinum . The heart is normal in size . The mediastinal and hilar contours appear within normal limits . There is no evidence for mediastinal air . The lungs appear clear . There are no pleural effusions or pneumothorax , although exclusion of the extreme left costophrenic sulcus is noted . Streaky medial right basilar opacity suggests minor atelectasis .
    OUTPUT:
    
Esophageal stent projecting along the lower mediastinum . No evidence for mediastinal thickening or air .