Fig. 5From: Chest imaging using signs, symbols, and naturalistic images: a practical guide for radiologists and non-radiologistsCheerios sign. The cheerios sign is due to cell proliferation around a bronchial branch (white arrow); it may be found in patients with Langerhans Cell histiocytosis or lung adenocarcinoma. It is very similar to the appearance of the famous breakfast cereal—as well demonstrated in the embedded figureBack to article page