Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are unchanged . Right chest port tip in proximal right atrium . NG tube appropriately positioned in the stomach . Right middle and lower lung opacities minimally improved compared to previous study . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
NG tube appropriately positioned in the stomach . Right middle and lower lung opacities are minimally improved compared to most recent chest radiograph on ___ 07 :28