Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are bibasilar opacities , possibly reflective of atelectasis . No pleural effusion , pulmonary edema or pneumothorax is noted . The heart is normal in size . There is a right PICC which terminates in the distal SVC . A tracheostomy tube appears in appropriate position . Cervical spinal fusion hardware is noted , and midline cervical metallic densities are of unclear etiology .
    OUTPUT:
    
Bibasilar opacities may reflect atelectasis aspiration . Pneumonia is a possibility , please correlate clinically .