Source:http://linkedlifedata.com/resource/umls/id/C1167720
NCI: Cancer is found in the pancreas only. Stage I is divided into stage IA and stage IB based on tumor size. In stage IA, the tumor is no larger than 2 centimeters and in stage IB, the tumor is larger than 2 centimeters.,NCI: Stage I includes: IA (T1, N0, M0); IB (T2, N0, M0). T1: Tumor limited to the pancreas 2 cm or less in greatest dimension. T2: Tumor limited to the pancreas, more than 2 cm in greatest dimension. N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 6th and 7th Eds.)