Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP portable radiograph of the chest is limited by patient 's lack of cooperation . Since the prior radiograph , there has been interval removal of the feeding tube . There is evidence of progressive mild pulmonary edema characterized by vascular congestion bilaterally and thickening of the minor fissure . The imaged pleural surfaces are normal however the right diaphragm and pleural surface is not included on any image . The heart size is normal .
    OUTPUT:
    
Progression of mild pulmonary edema since the prior radiograph .