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Table 1 The clinicopathologic characteristics of the patients

From: PD-L1 expression on stromal tumor-infiltrating lymphocytes is a favorable prognostic factor in ovarian serous carcinoma

Clinicopathologic factors

Number of patients (%)

Histologic type

 Serous

140 (56.5)

 Mucinous

47 (19.0)

 Endometrioid

19 (7.7)

 Clear

42 (16.9)

Residual tumor

 Optimal

167 (90.8)

 Suboptimal

17 (9.2)

Tumor grade

 1

57 (23.0)

 2

122 (49.2)

 3

69 (27.8)

Tumor stage

 Early

68 (37.2)

 Advanced

115 (62.8)

Nuclear grade

 Mild and moderate

137 (55.2)

 Marked

111 (44.8)

Mitosis

 0–9/10 HPFs

93 (37.5)

 10–24/10 HPFs

95 (38.3)

 > =25/10 HPFs

60 (24.2)

Chemoresponse

 Regressive disease

73 (43.5)

 Stable/progressive disease

95 (56.5)