Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is enlarged and is increased in size since ___ . The thoracic aorta is tortuous , and pulmonary vascularity demonstrate slight upper zone redistribution without evidence of accompanying pulmonary edema . Lungs are clear except for bibasilar patchy and linear opacities as well as apparent lower lobe bronchial wall thickening . There is no pleural effusion or pneumothorax . ICD remains in place with lead terminating in the right ventricle .
    OUTPUT:
    
Nonspecific bibasilar opacities which could be due to atelectasis , aspiration , or , infection in the appropriate clinical setting . Followup radiographs may be helpful to assess for resolution if warranted clinically .