Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable supine chest film ___ at 03 :29 is submitted .
    OUTPUT:
    
Right internal jugular large bore catheter and right subclavian PICC line are unchanged in position . Tracheostomy tube is in satisfactory position . Overall cardiac and mediastinal contours are unchanged . The diffuse bilateral airspace process is stable and could represent pulmonary edema or a diffuse infectious process . Clinical correlation is recommended . There are several calcified mediastinal lymph nodes suggestive of prior granulomatous infection . No obvious pneumothorax , although the sensitivity to detect pneumothorax is diminished given supine technique .