Fig. 2

Radiographic patterns of CIP. a HP-like pattern: GGO and nodules observed at left lung and right upper lung. b NSIP-like pattern: GGO and reticulation shadows observed at bilateral lungs. c AIP-like pattern: Diffuse GGO observed at bilateral upper lung and bilateral lower lobe dorsal segment, accompanied by consolidation and reticulation shadows. d OP-like pattern: Consolidation shadow and scattered GGO observed at left lung and right subpleural lower lung