Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is mild to moderately enlarged . The aortic knob is calcified . There is mild pulmonary edema with perihilar haziness and vascular indistinctness . Small bilateral pleural effusions are noted . Bibasilar airspace opacities likely reflect atelectasis . No pneumothorax is identified , although the extreme lung apices are somewhat obscured by the patient 's chin projecting over this region . Diffuse demineralization of the osseous structures with multilevel degenerative changes are noted in the thoracic spine . Partially imaged is fusion hardware at the thoracolumbar junction .
    OUTPUT:
    
Mild congestive heart failure with small bilateral pleural effusions and probable bibasilar atelectasis .