Pulmonary Lymphangitic Carcinomatosis
Pulmonary Lymphangitic Carcinomatosis

At a lower level, HRCT shows interlobular septal thickening, interstitial infiltration in the central lung, and a right hilar mass. Arteries within the centers of pulmonary lobules appear prominent (arrow) because of tumor surrounding them. All the abnormalities are more obvious when compared to the opposite, normal side.