Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tracheostomy is in adequate position . The right - sided subclavian line is unchanged and ends in the lower SVC . Stability of the important bilateral airspace opacities , more important on the left side . There might be a mild left - sided pleural effusion , which is difficult to assess through the alveolar opacification . There is no pneumothorax . The mediastinal and cardiac contour are unchanged .
    OUTPUT:
    
There is no significant change since the previous exam .