National Breast and Thyroid Screening After a Treatment Received Against a Cancer During Childhood

Inclusion Criteria: * childhood cancer survivor, and * treated with radiotherapy * health status compatible, and * have had a long-term follow-up consultation describing a personalized post-cancer plan and, * informed consent signed by patient \+ Inclusion criteria for breast screening * being a woman and being 25 years or more for breast cancer screening, with a minimum delay of 8 years after radiotherapy, or * with a significant irradiation dose to the breast (Irradiation that delivered at least 10 Gy on at least part of the breast (v 5\> 10 Gy) or on the mammary bud (v 100\> 10 Gy) - (centrally validated dose) or received TBI (Total Body Irradiation)\> 8 Gy according to a bi-fractioned scheme or\> 6 Gy in single dose) +Inclusion criteria for thyroid screening: * being a man or a woman and being 18 years or more for thyroid cancer screening with a minimum delay of 5 years after radiotherapy, and, * with a significant irradiation dose to the thyroid (Irradiation having delivered at least 3 Gy on the thyroid (v100\> 3 Gy), or having received a TBI (Total Body Irradiation)\> 2 Gy, and / or treatment with 131i-metaiodobenzylguanidine), and Exclusion Criteria: * life expectancy \<10 years due to other pathology * patient in regular follow-up within the framework of a genetic susceptibility (ex li fraumeni) * person placed under safeguard of justice \+ exclusion criteria for breast cancer screening : * patient treated with bilateral mastectomy, or * patient being treated for breast cancer, or * patient initially treated with radiotherapy for breast cancer \+ exclusion criteria for breast cancer screening : * Thyroidectomy, or * patient undergoing treatment or with a personal history of thyroid cancer