Fig. 1From: A case with multiple nodules and mucosal oedema of the trachea and both bronchi induced by IgG4-related diseaseIn the parenchyma (a) and mediastinal window settings (b), the tracheal wall appears to be thickened all around. Additionally, the bronchial wall is thickened and there are multiple nodules between the distal end of the left main bronchus and the left upper lobe bronchus (c and d)Back to article page