Table 2.

Overall Frequency of Cells Stained with CK or IR Antibodies and Scored as TCs in 23 Noncancer and 60 Breast Cancer Patient Marrow Specimens

	Antibody	Total number of cells stained per group	Overall frequency of cells stained per 106 MNC	Total number of cells scored as TCs	Overall frequency of cells scored as TCs per 106 MNC
23 Noncancer BM specimens	CK	37	0.32	14	0.12
	IR	32	0.28	11	0.10
60 Breast cancer BM specimens	CK	138	0.33	22	0.07
	IR	103	0.25	18	0.06

Abbreviation: MNC, mononuclear cells