| Clear cell | Endometrioid | Serous |
---|---|---|---|
Characteristic | No. (%) | No. (%) | No. (%) |
  Stage |  |  |  |
  1/2 | 19 (61) | 21 (88) | 6 (17) |
  3/4 | 11 (35) | 2 (8) | 29 (83) |
  Missing | 1 (3) | 1 (3) |  |
ARID1A mutation | Â | Â | Â |
  No | 14 (45) | 19 (79) | 35 (100) |
  Yes | 17 (55) | 5 (21) | 0 (0) |
PIK3CA mutation | Â | Â | Â |
  None | 17 (55) | 13 (54) | NT |
  Helical | 7 (23) | 4 (17) | NT |
  Kinase | 4 (13) | 4 (17) | NT |
  Other | 3 (9) | 3 (12) | NT |