Distribution of OvCas by histological type, FIGO stage, and tumor grade
| Type | Grade | Stage | ||||
|---|---|---|---|---|---|---|
| I | II | III | IV | U | ||
| Single differentiation | ||||||
| Clear cell, n = 8 | 3a | 3 | 3 | 2 | ||
| Endometroid, n = 33 | 1 | 8 | 1 | 1 | ||
| 2 | 5 | 3 | 1 | 1 | ||
| 3 | 2 | 2 | 7 | 2 | ||
| Mucinous, n = 10 | 1 | 5 | 1 | 1 | ||
| 2 | 1 | 2 | ||||
| Serous, n = 53 | 1 | 3 | ||||
| 2 | 1 | 1 | 17 | 2 | ||
| 3 | 1 | 1 | 21 | 4 | 2 | |
| Mixed histology | ||||||
| Clear cell (serous)b, n = 1 | 3 | 1 | ||||
| Endometroid (serous), n = 3 | 2 | 1 | ||||
| 3 | 1 | 1 | ||||
| Serous (endometroid), n = 5 | 2 | 1 | 1 | |||
| 3 | 1 | 2 | ||||
a Classified as grade 3, as recommended by the NCCN Practice Guidelines for Ovarian Cancer (8) .
b Minor component in samples with mixed histology.