Source:http://linkedlifedata.com/resource/umls/id/C0346237
NCI: Abnormal cells are found in the tiny tubules where the sperm cells begin to develop. These abnormal cells may become cancer and spread into nearby normal tissue. All tumor marker levels are normal.,NCI: Stage 0 includes: pTis, N0, M0, S0. pTis: Intratubular germ cell neoplasia (carcinoma in situ). N0: regional lymph node metastasis. M0: No distant metastasis. S0: Marker study levels within normal limits. (AJCC 6th and 7th eds.)