Stage | Description |
---|---|
I. | Perihilous streaky opacities, incipient interstitial edema |
II. | Diffuse, more or less homogeneous opacities, event. batwing appearance |
III. | Increased opacity of shadows due to edema of bronchial wall, event. bronchogram sign |
IV. | Confluent shadows of increasing size |
V. | Large dense bilateral shadows |
VYHNÁNEK, L. et al.: Radiodiagnostika, kapitoly z klinické praxe. Grada, Prague.