Figure 9b. Respiratory viral infection in a patient with a right lung transplant for lymphangioleiomyomatosis and a 2-week history of increasing cough and shortness of breath. (a) Chest radiograph, obtained 12 weeks after lung transplantation, shows diffuse ground-glass opacification with bronchial wall thickening in the allograft lung. (b) Axial chest CT image helps confirm diffuse ground-glass opacification and bronchial wall thickening (arrow) in the allograft lung. The native left lung shows diffuse disease with multiple thin-walled cysts, findings characteristic of lymphangioleiomyomatosis. Respiratory cultures were positive for RSV antigen.