Table 2. Definitions for TNM Stage Ia

StageTNMDefinition
IT1, N0, M0T1 = Tumor limited to the pancreas,b <2 cm.
N0 = No regional lymph node involvement.
M0 = No distant metastasis.

T = primary tumor; N = regional lymph node; M = distant metastasis.

aReprinted with permission from AJCC: Neuroendocrine Tumors of the Pancreas. In: Amin MB, Edge SB, Greene FL, et al., eds.: AJCC Cancer Staging Manual. 8th ed. New York, NY: Springer, 2017, pp. 407–19.

bThe explanation for superscript b is at the end of Table 5.

From: Pancreatic Neuroendocrine Tumors (Islet Cell Tumors) Treatment (PDQ®)

Cover of PDQ Cancer Information Summaries
PDQ Cancer Information Summaries [Internet].
Bethesda (MD): National Cancer Institute (US); 2002-.
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