Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single upright portable chest radiograph demonstrates a right IJ line with the tip in the lower SVC . Persistently low lung volumes , with bibasilar opacities which are not significantly changed . There has been interval increase in now moderate pulmonary edema . The heart size is top normal , the mediastinal contours are normal .
    OUTPUT:
    
Interval increase in now moderate pulmonary edema , with bibasilar opacities which may reflect atelectasis , though infection is not excluded .