Table 1.

The number of ST spots from breast cancer tissue samples obtained by (A) manual annotation by pathologists and (B) automated annotation by PCA

	(A) Number of manually selected Breast cancer ST spots			(B) Number of automatically identified breast cancer ST spots
Datasets	Non-malignant	DCIS	IDC	Non-malignant	DCIS	IDC
1	20	21	20	133	34	75
2	20	18	17	152	36	53
3	15	17	10	165	24	63
4	13	10	13	147	34	63
Sum	68	66	60	597	128	254