|Table 4: GTV centriod movement by different positional and attachment status.|
|This value included 3 cases whose lesions attached to diaphragm.|
Upper level included right upper lobe, anterior, and apicoposterior segment in left upper lobe. Middle level included right middle lobe and lingular bronchus in left lobe. Lower level included left and right lower lobes.
SD: standard deviation; AP: anterior-posterior direction, and SI: superior-inferior direction.