Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright chest radiograph ___ at 04 :43 is submitted .
    OUTPUT:
    
A nasogastric tube has been placed and courses below the diaphragm with the tip and side port projecting over the stomach . Overall , airspace opacities in the lungs have improved suggestive of resolving edema and there are residual streaky linear opacities bilaterally . Overall cardiac and mediastinal contours are stable given differences in patient rotation between studies . No pneumothorax . No large effusions .