Fig. 3From: Clinical and radiological features of lung disorders related to connective-tissue diseases: a pictorial essayAxial HRCT images of an NSIP pattern in a patient with rheumatoid arthritis. A, B Ground-glass opacities (empty white arrows) can be appreciated through the pulmonary parenchyma. The heterogeneous distribution of ground glass regions reflects areas of inflammation—alternated to normal lung regionsBack to article page