[Double pylorus: report of 2 cases].
D000368:Aged; D005260:Female; D005743:Gastrectomy; D005763:Gastroenterostomy; D006801:Humans; D008297:Male; D011708:Pylorus / Q000002:abnormalities*; D013276:Stomach Ulcer / Q000601:surgery; D014628:Vagotomy
Doble piloro: informe de dos casos.