Table 1 Characteristics of type I and type II tumors
| Â | Type I | Type II |
|---|---|---|
Clinical features | indolent | aggressive |
Histological features | low-grade serous | high-grade serous |
| Â | low-grade endometrioid | high-grade endometrioid |
| Â | clear cell | undifferentiated |
| Â | mucinous | carcinosarcoma |
Molecular features | K-Ras | TP53CCNE1 |
| Â | BRAF | Â |
| Â | ERBB2 | Â |
| Â | PTEN | Â |
| Â | CTNNB1 | Â |
| Â | PIK3CA | Â |