TABLE 2.

PCR amplification of breast cancer DNA with HIV-1-derived primers

Tissue or cells	No. of samples tested by PCR/no. (%) positive for RAK antigen
Breast cancer	40/40a (100)
NAT	39/16,a 5b (41, 12.8)
Normal breastc	30/8a 5b (26.7, 16.7)
Breast reductiond	10/1b (10)
Breast milk	10/0a (0)
MCF 7, SiHae	A,a B,a Ca
Cervix	2/0a (0)
Ovary	2/0a (0)
Uterus	2/0a (0)
Vagina	2/0a (0)
Colon	3/0a (0)
Skin	6/0a (0)
Placenta	2/0a (0)

^aSee Table 1, footnote a. 

^bSee Table 1, footnote b. 

^cSee Table 1, footnote c. 

^dSee Table 1, footnote d. 

^eSee Table 1, footnote e.