“…There are already several case reports describing uterine leiomyoma, uterine adenocarcinoma, and cystic endometrial hyperplasia of the endometrium (CEH) in minipigs aged between 8 and 16 years. In these cases, the symptoms usually started unspecific and ranged from reduced general behavior, anorexia, and weight loss to lameness, abdominal distension, and vaginal discharge 5 , 8 , 9 , 10 , 11 , 12 , 13 . Due to the non-specific symptoms, genital tumors are often diagnosed very late.…”