Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tracheostomy and left subclavian line are in adequate position and are unchanged . There is still a small right loculated pleural effusion . Stability of the ground - glass and alveolar bilateral opacities that are more important at the lung bases . Mediastinal and cardiac contour are unchanged .
    OUTPUT:
    
There is no significant change since the previous exam .