51�Թ�

Cierrah French, a cancer survivor, still feels pain in her knee from choriocarcinoma, a rare form of cancer.

Choriocarcinoma occurs in about 2 to 7 of every 100,000 pregnancies in the United States.

Choriocarcinoma can spread to distant parts of the body, usually the brain, liver or lungs.

She has become an advocate for choriocarcinoma patients and those with similar diseases, and she is active on Facebook.

Donald Goldstein, an eminent OB/GYN there, pioneered treatment for choriocarcinoma and related cancers.