VIDEO: NCI estimation of MBC numbers a start, but more is needed

CHICAGO – After Shirley A. Mertz, JD, was diagnosed with metastatic breast cancer, she was surprised to learn the government wasn’t counting people like her in data gathered on the disease. Only a minority of women with the disease – those diagnosed de novo – are included in Surveillance, Epidemiology and End Results (SEER) data, she said in a video interview at the annual meeting of the American Society of Clinical Oncology.

A recently published report by a National Cancer Institute mathematician and her associates estimates that about 155,000 women are living with metastatic breast cancer and that three-quarters of those women were initially diagnosed with lower-stage disease that progressed to stage IV. Ms. Mertz, president of the Metastatic Breast Cancer Network, says the estimate is a good start, but it’s important to go further and include those diagnosed with a metastatic recurrence in SEER data to get an accurate view.

“If we are not counted, then it appears we don’t matter, and how can we know if we are doing better if we don’t know how many of us are out there,” she said.

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