Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bibasilar hazy opacities likely represent chronic changes with atelectasis , although a mild component of mild pulmonary edema is not excluded . There are trace bilateral pleural effusions . A left side Mediport catheter tip terminates in the mid SVC . No pneumothorax is evident . The lung volumes are increased , consistent with chronic obstructive disease .
    OUTPUT:
    
Bibasilar hazy opacities likely represent chronic changes and atelectasis , although given the presence of small bilateral pleural effusions , mild pulmonary edema is not excluded .