label: Testicular Germ Cell Neoplasia In Situ with Extratubular Extension
label_lc: testicular germ cell neoplasia in situ with extratubular extension
description: A malignant neoplasm that arises from the testis and is characterized by the presence of large germ cells with abundant cytoplasm in the seminiferous tubules, associated with an invasive germ cell tumor in the adjacent tissues.