Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is extensive subcutaneous emphysema which limits assessment . No definite free air under the diaphragm seen however dedicated decubitus radiographs may be helpful to clarify . Persistent patchy airspace opacities are noted in the bilateral lungs . A right internal jugular catheter terminates in the proximal SVC .
    OUTPUT:
    
No significant interval change compared to the prior study .