Table 1 Association between PD-L1 and markers of EMT in 67 breast cancer patients

E-Cadherin

Down-regulated (≤70 %)

9 (47)^a

10 (53)

0.039

Positive (> 70 %)

10 (21)

38 (79)

Vimentin

Up-regulated (> 5 %)

10 (53)

9 (47)

0.014

Negative (<5 %)

9 (19)

39 (81)

E-Cadherin-down/Vimentin-up

Present

6 (75)

2(25)

0.005

Absent

13 (22)

46 (78)