Study of Coronary Calcium Score as a Marker of Post-radiation Vascular Dysplasia in Adults Treated During Childhood for Cancer With Mediastinal Irradiation

Inclusion Criteria: 1. Patients 18 years of age or older, 2. Treated for cancer during childhood, adolescence or young adulthood (≤25 years), 3. Treated with irradiation of the heart area (≥20% of ≥5Gy heart rate) and / or anthracycline (cumulative dose of doxorubicin equivalent ≥300mg/m\^²), 4. In complete remission of their pediatric cancer for at least 10 years, 5. Patient affiliated to a social security scheme or beneficiary of such a scheme, 6. Patient Information and Signed Informed Consent. Exclusion Criteria: 1. Perspective less than 10 years, 2. Persons deprived of liberty or guardianship (including trusteeship), 3. Impossibility of submitting to the medical follow-up of the test for geographical, social or psychological reasons, 4. Pregnant women. Inclusion criteria for extension cohort: 1. Patients 30 years of age or older, 2. Treated for cancer during childhood, adolescence or young adulthood (≤25 years), 3. Treated with irradiation of the heart area (≥20% of ≥5Gy heart rate), 4. In complete remission of their pediatric cancer for at least 10 years, 5. Patient affiliated to a social security scheme or beneficiary of such a scheme, 6. Patient Information and Signed Informed Consent. Exclusion criteria for extension cohort: 1. Persons deprived of liberty or guardianship (including trusteeship), 2. Impossibility of submitting to the medical follow-up of the test for geographical, social or psychological reasons, 3. Pregnant women.