testicular non-seminomatous germ cell cancer (MONDO_0003403) is a classification of testicular cancers that arise in specialized sex cells called germ cells. Nonseminomas include embryonal carcinoma, teratoma, choriocarcinoma, and yolk sac tumor. Also known as: malignant non-seminomatous germ cell cancer of testis, malignant non-seminomatous germ cell cancer of the testis, malignant non-seminomatous germ cell neoplasm of testis, malignant non-seminomatous germ cell neoplasm of the testis, malignant non-seminomatous germ cell tumor of testis, malignant non-seminomatous germ cell tumor of the testis, malignant non-seminomatous germ cell tumour of testis, malignant non-seminomatous germ cell tumour of the testis.