Doctor,my mom is 75years old,had spotting last year, then it stopped completely, now last month again she had spotting.So went for a check up then she was told to do Pap smear,culture test,and ultrasound abdomen,during which it was diagnosed that her endometrium is of 27mm,is it last stage of endometrial (uterus cancer).Today she has been called for endometrium biopsy.please let me know is it so critical.She had never pain in uterus or painful urination,please help me doctor.