Mastectomy rhymes with:
prostatectomy, appendectomy, hysterectomies, hysterectomy, lumpectomy, prostatectomy, tonsillectomy, vasectomy, appendectomy, hysterectomies, hysterectomy, lumpectomy, prostatectomy, tonsillectomy, vasectomy
prostatectomy, appendectomy, hysterectomies, hysterectomy, lumpectomy, prostatectomy, tonsillectomy, vasectomy, appendectomy, hysterectomies, hysterectomy, lumpectomy, prostatectomy, tonsillectomy, vasectomy