유방의 전체 또는 일부를 수술적으로 제거하는 시술.
A surgical procedure to remove one or both breasts, partially or completely, usually to treat or prevent breast cancer.
예문:
"The surgeon discussed the risks and benefits of a bilateral mastectomy with the patient."
"Recovery time after a mastectomy varies depending on the extent of the surgery."
"She opted for a preventive mastectomy after learning about her genetic predisposition to cancer."