Fig. 1From: Pleural thickening on screening chest X-rays: a single institutional studyRepresentative chest X-ray image of pleural thickening. a. Chest X-ray image of a healthy 47-year-old male. The right apical cap appears as an irregular, wedge-shaped density. b. Enlarged image of the right apex. The white triangles indicate pleural thickeningBack to article page