Table 2.

Results for morphological features selection

Variable	Estimate
Lobulation	2.34
Diameter	4.89
Pleural indentation	7.12
Margin	3.45
Ground-glass opacity	0.34
Nodules with an area of air	1.45
Solid	−3.44
Calcification	10.22
Maximum probability	−6.32
Sum-entropy	−10.23