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Table 1 Categories of patient tumors

From: Stratification of ovarian tumor pathology by expression of programmed cell death-1 (PD-1) and PD-ligand- 1 (PD-L1) in ovarian cancer

Stagea

Tumor type

Histological subtype

No. of patients

Low (I/ II)

All

Ovarian

papillary mucinous cystadenocarcinoma

mixed adenocarcinoma, serous and endometroid

papillary serous adenocarcinoma

papillary serous carcinoma

serous carcinoma

1

1

2

4

1

High (III/ IV)

Ovarian

Ovarian

Ovarian

Fallopian tube

Peritoneum

Peritoneum

Endometrium

Endometrium

Omentum

poorly differentiated serous carcinoma

papillary serous carcinoma

papillary serous adenocarcinoma

papillary serous carcinoma

papillary serous carcinoma

papillary serous adenocarcinoma

papillary serous carcinoma

serous carcinoma

papillary serous carcinoma

1

24

10

1

4

1

1

1

2

Total

  

55

  1. aTumor stage reflects the International Federation of Gynecology and Obstetrics (FIGO) classification