Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest from ___ at 04 :44 is submitted .
    OUTPUT:
    
There is increased vascular congestion with associated patchy airspace disease more on the right than the left . Findings most likely reflect asymmetric pulmonary edema given the rapidity of appearance , although an infectious process should also be considered . Followup imaging would be recommended . No pneumothorax . No pleural effusions . Overall cardiac and mediastinal contours are stable .