Complex sentence: Germ cell tumors and sex cord-stromal tumors are far less common than epithelial tumors in US women, with incidence of 0.4 per 100,000 women and 0.2 per 100,000 women, respectively.
Split into simpler sentences: Germ cell tumors and sex cord-stromal tumors are far less common than epithelial tumors. The incidence in the US there is an incidence of 0.4 per 100,000 women and 0.2 per 100,000 women, respectively.