Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Heart size is difficult to assess but may be mild to moderately enlarged . There is mild pulmonary edema with perihilar haziness and vascular indistinctness . Small bilateral pleural effusions , left greater than right , are noted . Bibasilar airspace opacities may reflect atelectasis but infection or aspiration can not be excluded . There is no pneumothorax . Mild gaseous distention of the colonic loops of bowel is present . There are diffuse atherosclerotic calcifications . There is diffuse demineralization of the osseous structures .
    OUTPUT:
    
Mild pulmonary edema with small bilateral pleural effusions . Bibasilar airspace opacities may reflect atelectasis but infection or aspiration can not be excluded .