Oncologist-approved cancer information from the American Society of Clinical Oncology
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Gestational Trophoblastic Tumor

This section has been reviewed and approved by the Cancer.Net Editorial Board, 1/2012
Statistics

ON THIS PAGE: You will find information about how many people learn they have this type of cancer each year and some general survival information. Remember, survival rates depend on several factors. To see other pages, use the menu on the side of your screen.

Overall, GTTs are rare. In the United States, GTTs account for less than 1% of all cancers that start in a woman's reproductive system (a grouping called gynecologic cancers). A hydatidiform mole may develop in one in 1,000 pregnancies, and 15% of these cases become cancerous (malignant).

Choriocarcinoma is very rare, occurring in about two to seven pregnancies out of 100,000 in the United States. Molar pregnancies occur much more often in Asian and African countries than in the United States.

GTTs are typically curable, especially if found early.

Cancer statistics should be interpreted with caution. These estimates are based on data from thousands of women with this type of cancer in the United States, but the actual risk for a particular individual may differ. It is not possible to tell a woman how long she will live with a GTT. Learn more about understanding statistics.

Statistics source: American Cancer Society.

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