Figure 1From: Clinical analysis of 68 patients with pulmonary mycosis in ChinaAnalisi clinica di 68 pazienti con micosi polmonare in CinaRepresentative Radiographic Pictures of Pulmonary Aspergillosis. CT examination had earlier shown the 'halo sign'; with the progression of disease, 1 week later, it showed 'air-crescent sign'. Definition of abbreviation: CT, computerized tomography.Back to article page