Table 1. Detection of MAM and maspin mRNA in breast tissues, bone marrow and peripheral blood control specimens.

Sample source	No. of samples	No. MAM positive	No. maspin positive
Non-neoplastic breast tissue	10	10	10
Primary breast carcinoma	10	10	10
Breast carcinoma metastases	2	2	2
Normal bone marrow	35	0	0
Normal peripheral blood	35	0	0
Pathologic bone marrowa	17	0	7

^aPathologic bone marrow included 10 NHL samples, five MM samples and two AML samples.