The solid (or consolidation) component was defined as an area of increased opacification more than 5 mm in diameter, which completely obscured underlying vascular markings.
实性成分被定义为直径＞5mm的阴影密度增高影，完全遮盖其下的血管影。
Ground-glass opacity was defined as an area of a slight, homogeneous increase in density, which did not obscure underlying vascular markings.
Semiconsolidation was defined as an area of an intermediate homogeneous increase in density, which did not obscure underlying vascular markings.
Fig 1. Flow chart for the new classification of small adenocarcinoma of the lung. (GGO: ground-glass opacity; w/o : without.)
