Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube terminates 4 .2 cm above the carina . Again seen are widespread reticular parenchymal opacities , minimally changed over multiple prior radiographs , corresponding to a mixture of emphysema and minimal subpleural fibrotic changes better seen on prior CT examinations . There is no pneumothorax or large effusion . The left costophrenic angle is difficult to assess due to patient rotation .
    OUTPUT:
    
ET tube terminating 4 .2 cm above the carina .