Skip to main content
. 2022 Nov 23;22:1206. doi: 10.1186/s12885-022-10338-4

Fig. 1.

Fig. 1

Distribution of GGOs in relation to the bronchovascular bundles. a type I, the lesion surrounds the bronchi and blood vessels, and its long axis is consistent with their direction. b type II, the lesion surrounds the bronchi and blood vessels, but its long axis crosses them. c type III, the lesion is located among the bronchovascular bundles, the surrounding bronchi and blood vessels may be partly involved or not. d type IV, the lesion is mainly located in the subpleural zone. GGOs, ground-glass opacities