Treatment of Breast Fibroadenoma With High Intensity Focused Ultrasound (HIFU)

Inclusion Criteria: * One breast fibroadenoma with diagnosis based on: * Clinical examination * Ultrasound image * For women older than 35 years: mammogram with BI-RADS score \< 3 * Histologic confirmation by two independent readers * Fibroadenoma size between 1 cm and 3 cm at its largest dimension (measured by ultrasound) Exclusion Criteria: * Patient pregnant or lactating * Bi-RADS score \> 2 at the mammogram, or microcalcifications within the lesion. * History of breast cancer or history of laser or radiation therapy to the target breast * Breast implants * Breast cyst * Fibroadenoma not clearly visible on the ultrasound images (in B mode) * Patient participating in other trials using drugs or devices