Automatic Segmentation of Anatomical Structures from CT Scans of Thorax for RTP

Table 8

Comparison of the maximum symmetric surface distance (mm) for the 10 CT scans of the 10 cancer patients.

OARs	Method
	Our method	de Nunzio et al. [7]	Yim and Hong [10]	Wang et al. [11]	Banik et al. [27]
Left lung	8.42 ± 3.48	9.16 ± 3.01	—	—	—
Right lung	8.23 ± 4.12	10.02 ± 4.65	—	—	—
Lungs (together)	8.57 ± 2.88	—	10.67 ± 2.78	11.13 ± 4.34	—
Trachea/main bronchi	11.78 ± 4.35	11.21 ± 3.98	11.28 ± 4.74	12.96 ± 4.02	—
Spinal canal	8.46 ± 3.97	—	—	—	8.38 ± 5.79