Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright chest radiograph ___ at 06 : 22 is submitted .
    OUTPUT:
    
Left PICC line , tracheostomy tube and nasogastric tube are unchanged in position . Retrocardiac consolidation remains and may reflect atelectasis , although pneumonia can not be entirely excluded . The lungs are otherwise grossly clear . No pulmonary edema , obvious pneumothorax or pleural effusions . Cardiac and mediastinal contours are unchanged .