Fig. 3From: Comparison of gamma index based on dosimetric error and clinically relevant dose–volume index based on three-dimensional dose prediction in breast intensity-modulated radiation therapyCorrelation between 2D GPR and predicted per-organ 3D GPR: (a), (b), (c) PTV, (d), (e), (f) ipsilateral lung, and (g), (h), (i) heart. “R” denotes the Pearson correlation coefficient or Spearman Rank-Order Correlation coefficient. Pred. = Predicted. Ray = RayStation. Ipsi. = Ipsilateral. NS = not significantBack to article page