Table 3.

Expression of BRCA1 and BRCA2 in Tumor Tissues and Para-Tumor Tissues from GC Patients

GC tissues	BRCA2 expression			Total, n
	High	Low	Negative
BRCA1 expression
High	16	4	0	20
Low	4	19	5	28
Negative	2	5	22	29
Total, n	22	28	27	77
Para-GC tissues	BRCA1 expression			Total, n
Positive	Negative
BRCA2 expression
Positive	11	10		21
Negative	7	41		48
Total, n	18	51		69