Figure 031_8900.

Axial computed tomography (CT) of the thorax showing a normal lung (A) and ground-glass opacity (B). Note that normal lung structures remain visible despite the opacity. Figure manipulated to enhance learning points using image editing software.

Figure 031_8900.  Axial computed tomography (CT) of the thorax showing a normal lung ( A ) and ground-glass opacity ( B ). Note that normal lung structures remain visible despite the opacity. Figure manipulated to enhance learning points using image editing software.