Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright chest radiograph ___ at 03 : 15 is submitted .
    OUTPUT:
    
Bilateral layering effusions and bilateral airspace process which appears slightly more consolidative in the left lung base is not significantly changed given differences in patient positioning . Tracheostomy tube and right subclavian PICC line are unchanged in position . No obvious pneumothorax .