Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright chest film ___ at ___ is submitted .
    OUTPUT:
    
Interval of the left chest tubes with no definite pneumothorax appreciated . Followup imaging would be advised . There continues to be a diffuse airspace process in the right lung and at the left base which does not appear to be significantly changed . Stable soft tissue opacity at the left apex consistent with focal pleural thickening or loculated fluid . Stable enlarged cardiac and mediastinal contours . The patient 's mandible obscures the apices to some extent . Layering bilateral effusions also unchanged .