Table 1

 Comparison of Cx26 and Cx23 expression between the primary breast cancers and matching lymph node metastases

Expression levelCx26 expression in metastatic regional lymph nodesCx43 expression in metastatic regional lymph nodes
Negative (n = 6)Positive (1+) (n = 180Positive (2+) (n = 27)Total (%) (n = 51)Negative (n = 2)Positive (1+) (n = 14)Positive (2+) (n = 35)Total (%) (n = 51)
Expression in PT
    Negative (n = 24)5 (9.8%)8 (15.7%)11 (21.5%)24 (47%)2 (3.9%)2 (3.9%)5 (9.8%)9 (17.6%)
    Positive (1+) (n = 19)1 (2%)8 (15.7%)10 (19.6%)19 (37.3%)0 (0%)6 (11.8%)11 (21.5%)17 (33.3%)
    Positive (2+) (n = 8)0 (0%)2 (3.9%)6 (11.8%)8 (15.7%)0 (0%)6 (11.8%)19 (37.3%)25 (49.1%)
    Total (%) (n = 51)6 (11.8%)18 (35.3%)27 (52.9%)51 (100%)2 (3.9%)14 (27.5%)35 (68.6%)51 (100%)