Germ cells and sex cord stromal cells form when a fetus (baby) is developing. A fetus is made from a sperm cell and an egg cell. Germ cell tumors (GCTs) are also known as germ cell cancer. Germ cells ...

He underwent left radical orchiectomy for a pathological stage T1 nonseminomatous germ cell tumor (NSGCT ... Measurement of serum levels of tumor markers, including α-fetoprotein, hCG and ...