NCIt synonyms : Pathologic Stage IIIA Neuroendocrine Carcinoma of the Skin AJCC v8;
NCIt definition : Stage IIIA includes: (T1-4, N1a(sn) or N1a, M0); (T0, N1b, M0). T0: No evidence of
primary tumor. T1: Maximum clinical tumor diameter equal to or less than 2 cm. T2:
Maximum clinical tumor diameter more than 2 cm but equal to or less than 5 cm. T3:
Maximum clinical tumor diameter more than 5 cm. T4: Primary tumor invades fascia,
muscle, cartilage, or bone. N1a(sn): Clinically occult regional lymph node metastasis
identified only by sentinel lymph node biopsy. N1a: Clinically occult regional lymph
node metastasis following lymph node dissection. N1b: Clinically and/or radiologically
detected regional lymph node metastasis, microscopically confirmed. M0: No distant
metastasis detected on clinical and/or radiologic examination. (AJCC 8th ed.);