adenoidectomy, arteriectomy, castration, cholecystectomy, craniectomy, cricoidectomy, cystectomy, enterectomy, gastrectomy, hemorrhoidectomy, hysterectomy, mammectomy, mastectomy, mastoidectomy, nephrectomy, omphalectomy, oophorectomy, oophorocystectomy, orchidectomy, ovariectomy, pancreatectomy, penectomy, pericardiectomy, phrenicectomy, pneumonectomy, prostatectomy, salpingectomy, stapedectomy, tonsillectomy, ureterectomy, urethrectomy, vasectomy, venectomy