Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Pulmonary edema has completely resolved since ___ . Right basilar opacities have slightly increased since ___ and could be related to lower lung volumes ; however , it could also be secondary to new aspiration or pneumonia . There is no pleural effusion or pneumothorax . Cardiac contour is mildly enlarged in this patient with left - sided atrioventricular pacemaker .
    OUTPUT:
    
1 . Pulmonary edema has resolved since ___ . 2 . Right lower lung opacities have increased since previous exam . It could be due to atelectasis and lower lung volume ; however , aspiration or pneumonia can not be excluded . This has been discussed with ___ , practitioner nurse .