Table 1.

JS comparison of five lung cancer patients by using the proposed method and the flood fill algorithm.

Patient	Target	The JS		Percentage gains
		Proposed method	Flood fill method
Patient 1	Lung	0.9458	0.8540	9.71%
	Spinal cord	0.8520	0.7018	17.63%
	Tumor	0.9447	0.9334	1.20%
Patient 2	Lung	0.9544	0.8658	9.28%
	Spinal cord	0.8402	0.6875	18.17%
	Tumor	0.8589	0.7569	11.88%
Patient 3	Lung	0.9541	0.8320	12.80%
	Spinal cord	0.8654	0.7468	13.70%
	Tumor	0.9014	0.8654	3.99%
Patient 4	Lung	0.9440	0.8214	12.99%
	Spinal cord	0.8598	0.7025	18.29%
	Tumor	0.8958	0.6475	27.72%
Patient 5	Lung	0.9486	0.8258	12.95%
	Spinal cord	0.8475	0.6732	20.57%
	Tumor	0.8858	0.7854	11.33%