Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect radiograph ___ at 05 : 17 is submitted .
    OUTPUT:
    
Interval extubation and removal of the nasogastric tube . Hazy opacities at the lung bases are again noted most likely reflecting atelectasis in the setting of low lung volumes , although pneumonia can not be excluded . Overall cardiac and mediastinal contours are stable . No obvious pneumothorax . No large effusions . No evidence of pulmonary edema .