Figure 3From: Video-assisted thoracoscopic surgery using mobile computed tomography: New method for locating of small lung nodules A GGN without a solid part. Preoperative CT shows a GGN, 9 mm in diameter, without a solid part (a). When the lung is incompletely re-expanded, the O-arm shows a higher density lesion than the preoperative CT finding, similar to a solid tumor (b).Back to article page