umls-concept:C0154060 | skos:definition | NCI: Abnormal cells are found in the inside lining of the mucosal (innermost) layer of the stomach wall. These abnormal cells may become cancer and spread into nearby normal tissue.,NCI: Stage 0 includes: Tis, N0, M0. Tis: Carcinoma in situ: intraepithelial tumor without invasion of the lamina propria. N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 6th and 7th eds.) | lld:umls |