Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A Port - A - Cath terminates in the lower superior vena cava , as before . A stent is present in the left main stem bronchus . Cholecystectomy clips project over the right upper quadrant . A gastrostomy tube projects over the left upper quadrant . The cardiac , mediastinal and hilar contours appear unchanged including rightward shift associated with volume loss in the right hemithorax . Pleural thickening , opacification , and volume loss appear similar to the recent prior radiographs . There is no pleural effusion or pneumothorax . Bony structures are unremarkable .
    OUTPUT:
    
No evidence of acute disease .