Three-dimensional and magnified CT images of displaying the imaging features of invasive adenocarcinoma of lung

Table 1 CT imaging features of 290 cases of invasive lung adenocarcinoma

Groups		High Risk(115)	Low Risk(175)	X²	P
Density	Solid	80	73	27.21	0.000^*
	Sub-solid	16	27
	ground glass	9	20
	With cavity or vacuole	10	55
Size	< 1	3	16	7.663	0.022^*
	1 ≦ A ≦ 2	68	112
	2 < A < 3	44	47
Bronchial/ vacuole signs	yes	102	158	0.189	0.664
Bronchial/ vacuole signs	no	13	17	0.189	0.664
Growth mode and direction	Spherical	48	61	3.257	0.355
	Cross section	22	30
	Sagittal plane	22	49
	Coronal plane	23	35
Vascular/cord shadows	≦ 4	37	24	14.24	0.000^*
Vascular/cord shadows	> 4	78	151	14.24	0.000^*
Pleural indentation sign	yes	76	97	3.276	0.070
Pleural indentation sign	no	39	78	3.276	0.070

ISSN: 1477-7819