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Table 4 Frequencies of stem cell expressing CD44 and LGR5 markers by histological type

From: PD-L1 is highly expressed in ovarian cancer and associated with cancer stem cells populations expressing CD44 and other stem cell markers

Histological type

CD44 High

CD44 Low/Negative

p-value

LGR5 High

LGR5 Low/Negative

p-value

Clear cell carcinoma

1

0

0.006

1

0

0.6878

Endometroid carcinoma

5

0

3

1

Mucinous carcinoma

1

0

0

1

Serous carcinoma

14

4

8

3

Other

0

4

2

0