Radiography of fungal pneumonia
A, Right upper lobe nodule with surrounding ground-glass opacities (halo sign) in a patient with invasive aspergillosis. B, Diffuse ground-glass opacities in a patient with Pneumocystis pneumonia. C, Diffuse ground-glass opacities and scattered thin-walled pneumatoceles in a patient with Pneumocystis pneumonia. D, Peripheral small cavitary nodules in a patient with Candida endocarditis and septic emboli to the lungs.