Table 1 Clinicopathologic characteristics of cancer patients ( n = 22)

Carcinoma diagnosis

Epithelial ovarian

13 (59)

Fallopian tube

2 (9)

Primary peritoneal

7 (32)

FIGO stage

IIIC

16 (73)

IV

6 (27)

Histologic subtype

Serous

19 (86)

Endometroid

1 (5)

Clear cell

1 (5)

Unclassified

1 (5)

Grade of differentiation

2

2 (9)

3

15 (68)

Not stated

5 (23)

Time of sampling

During 1 ^st line platinum-based therapy

Chemosensitive

2 (9)

Refractory

1 (5)

Recurrence

PFI < 6 months

Before start of 1^st course recurrence treatment

7 (32)

During chemotherapy period

12 (55)

Type of cells

M-type only

13 (59)

S-type only

4 (18)

M and S

5 (23)

Median age at diagnosis 66.5 years