Male circumcision is the removal of the foreskin from the human penis.

Proctocolectomy is the surgical removal of the rectum and all or part of the colon.

Prostate biopsy is a procedure in which small hollow needle-core samples are removed from a man’s prostate gland to be examined microscopically for the presence of cancer.

Prostatectomy (from the Greek prostates, “prostate”, combined with the suffix -ektomē, “excision”) as a medical term refers to the surgical removal of all or part of the prostate gland.

Psychosurgery, also called neurosurgery for mental disorder (NMD), is the neurosurgical treatment of mental disorder.