Research Article

Similar-Case-Based Optimization of Beam Arrangements in Stereotactic Body Radiotherapy for Assisting Treatment Planners

Table 2

Planning evaluation indices used for searching usable plans.

PTVD95 (Gy)
Homogeneity index
Conformity index
TCP (%)

Lung*V5 (%)
V10 (%)
V20 (%)
Mean lung dose (Gy)
NTCPlung (%)

Spinal cordMaximum dose (Gy)
NTCPspinal cord (%)

Planning evaluation indices for lung were calculated in a lung volume with subtraction of a planning target volume (PTV). TCP: tumor control probability; NTCP: normal tissue complication probability.