This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. Surgical removal of all or part of a breast, sometimes including excision of the underlying pectoral muscles and regional lymph nodes, usually performed as a treatment for cancer.

n. The surgical procedure to remove of all or part of a breast; mammectomy.

n. surgical removal of a breast to remove a malignant tumor

"In 500 BC, in her own court, Atossa self-prescribes the most primitive form of a mastectomy, which is performed by her Greek slave."

ablation    cutting out    excision    extirpation   

modified radical mastectomy    radical mastectomy    simple mastectomy   

mastectomee   

appendectomy    hysterectomies    hysterectomy    lumpectomy    prostatectomy    tonsillectomy    vasectomy   

cholecystectomy    hysterectomy    nephrectomy    cystectomy    chemo    inkvine    insurgence    entrepreneurialism    animal-rights    reevaluation