Simplify the following text for a Grade 11 native English-speaking person.
Original: Endometrial cancers are the most common gynecologic cancers in the United States , with over 35,000 women diagnosed each year .
Simplified: This cancer is usually diagnosed during its early stages , resulting in a better survival rate than most cancers . Endometrial cancer is the most common gynecologic cancer in the United States : over 35,000 women are diagnosed each year .