<prompt> Subcapsular orchiectomy is done forCa testisCa prostateCa penisCa urethra  <response>: Orchidectomy Orchidectomy is performed in advanced disease. In 1941, prostate cancer was shown to be responsive to such treatment by Charles Huggins, the only urologist to win a Nobel Prize. Bilateral orchidectomy, whether total or subcapsular, will eliminate the major source of testosterone production. Ref: Bailey and love 27th edition Pgno : 1474 