Table 4. Comparison of infiltrating ductal and infiltratinglobular histological types according to the metastasis sites and counts.

	ILC N = 1,128a		IDC N = 7,511a		P
	No. of Patients	%	No. of Patients	%
metastasis sites					<0.0001
Bone	1,123	91.52	5444	76.04
Brain	521	4.23	619	8.24
Liver	241	19.64	2293	30.53
Lung	167	13.61	2787	37.11
Counts of metastasis sites					<0.0001
One	933	76.04	4706	62.65
Two or more	195	23.96	2805	37.35

ILC, invasive lobular carcinoma; IDC, invasive ductal carcinoma;

^aThe statistic data only include the patients who had metastasis site records when diagnosed.