. 2015 May 8;10(5):e0126152. doi: 10.1371/journal.pone.0126152

Table 4. Alignments conducted between the MV X-ray beam isocenter and the CBCT image-guidance system, and a comprehensive evaluation of the manual image matching accuracy, with an overall deviation of D _all.

Direction	D _CBCT-MV	D _match	D _all
L(+)/R(−) (mm)	0.33	−0.03	0.33
S(+)/I(−) (mm)	−0.05	−0.79	0.79
A(+)/P(−) (mm)	−0.16	0.07	0.17
Vector length (mm)	0.41	0.99	1.07

Table 4. Alignments conducted between the MV X-ray beam isocenter and the CBCT image-guidance system, and a comprehensive evaluation of the manual image matching accuracy, with an overall deviation of D all.