Dense hilum sign
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At the time the article was created Paresh K Desai had no recorded disclosures.View Paresh K Desai's current disclosures
On a well-centered chest posteroanterior (PA) radiograph the density of the hilum is comparable on both sides. In the absence of calcification or lymphadenopathy, the hila should appear of equal density and be symmetric. The hilum overlay sign may be absent.