Source:http://linkedlifedata.com/resource/umls/id/C0278559
NCI: Cancer has spread beyond the innermost layer of tissue to the next layer of tissue in the wall of the esophagus.,NCI: Stage I includes: T1, N0, M0. TI: Tumor invades lamina propria or submucosa. N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 6th ed.) -2003