AbstractThree cases of atypical (endometrial) carcinoma of the prostate are reported. In the light of the uncertain response to oestrogen therapy, all three patients were treated with radical radiotherapy.References1. Melicow M.M. , & Patcher M.R. (1967) Cancer 20, 1715–17222. Moore R.A. (1937) Archives of Pathology 23, 517–5243. Young B.W. , & Lagios M.D. (1973) Cancer 32, 1293–13004. Ch Zaludek , Williams J.W. , & Kempson R.L. (1976) Cancer 37, 2255–2262