@CNN: Because of restrictions on how many women can have genetic tests for breast cancer, these tests miss as many patients with hereditary cancers as they find, a new study says https://t.co/pKf9knacs9

@CNN: Because of restrictions on how many women can have genetic tests for breast cancer, these tests miss as many patients with hereditary cancers as they find, a new study says https://t.co/pKf9knacs9