Table 2.

Evaluation of digital radiographic findings

Finding	Points
Heart shadow/visible diaphragmatic shadow	0
No increased tissue density around bronchi	0
No shading of the lung tissue	0
Heart shadow/diaphragmatic shadow visible, but superimposed by diffuse opacities	1
Mild increase in tissue density around bronchi	1
Mild diffuse shading of the lung tissue	1
Heart shadow/diaphragmatic shadow not visible	2
Severe increase in tissue density around bronchi	2
Severe diffuse shading of the lung tissue	2
Well-defined areas of high density	3