Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are subtle linear opacities within the right lung base which likely project over the spine on the lateral view , increased since most recent prior examination from ___ though similar to PA and lateral chest radiograph from ___ . Findings may reflect normal overlapping vascular structures or atelectasis , though early pneumonia is also possible , particularly given the history of neutropenic fever . Recommend followup radiographs to assess for interval change or improvement . The remainder of the lungs are clear . There is no pneumothorax . No pulmonary edema or pleural effusions are identified . Cardiomediastinal and hilar contours are within normal limits .
    OUTPUT:
    
Subtle linear opacities in the right lower lobe which may reflect normal overlapping vessels or atelectasis . However , in this patient with neutropenic fever , early developing pneumonia remains a consideration . Close interval followup radiograph is recommended .