text: An elevated concentration a-fetoprotein (AFP) and b-human chorionic gonadotrophin (b-hCG) are diagnostic of malignant<unk> <unk>  cell tumors.
option_0: Ovarian germ cell tumor laboratory tests
option_1: Ovarian germ cell tumor physical examination
option_2: Epithelial ovarian tumors physical examination
option_3: Sexcord/ stromal ovarian tumors physical examination
option_4: Testicular cancer ultrasound
option_5: Polycystic ovary syndrome physical examination
option_6: Endometriosis physical examination
option_7: Seminoma physical examination