Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright chest film ___ at 10 :40 is submitted .
    OUTPUT:
    
Spinal hardware is now seen overlying the lower cervical and upper thoracic spine . Right subclavian PICC line is unchanged in position . The nasogastric tube has been removed . An endotracheal tube remains in place with the tip approximately 2 .5 cm above the carina . There is improved aeration but persistent consolidation in the retrocardiac area suggestive of partial lower lobe atelectasis , although pneumonia can not be entirely excluded . There has been interval appearance of free air within the peritoneal space likely related to recent PEG placement . No pneumothorax .