TABLE 1.

Performance of deep learning (DL)‐based auto‐segmentation models (compared with the reference contours)

DL‐based models for different targets	DSC	MSD (mm)	HD (mm)	HD 95 (mm)
dCTV1	0.88 ± 0.03	1.32 ± 0.48	21.60 ± 7.50	4.86 ± 0.56
dCTV2	0.70 ± 0.09	2.42 ± 1.62	22.44 ± 8.49	6.47 ± 1.92
pCTV1	0.86 ± 0.03	1.15 ± 0.38	20.78 ± 6.22	4.11 ± 0.65

Abbreviations: dCTV, clinical tumor volume for definitive radiotherapy; DSC, dice similarity coefficient; HD, Hausdorff distance; HD 95, Hausdorff distance 95%; MSD, mean surface distance; pCTV, clinical tumor volume for postoperative radiotherapy.