Breast brachytherapy.
D001918:Brachytherapy; D001943:Breast Neoplasms / Q000532:radiotherapy; D002170:Canada; D002983:Clinical Competence; D003406:Credentialing; D004503:Education, Medical, Graduate; D005260:Female; D006801:Humans; D008504:Medical Staff Privileges; D018787:Radiation Oncology / Q000193:education*; D014481:United States