NCIt definition : Stage IIIC includes: (T1/T2, N2c, M0). T1: Invasive vulvar cancer confined to the
vulva or perineum. T2: Vulvar cancer with tumor of any size with extension to adjacent
perineal structures (lower/distal 1/3 urethra, lower/distal 1/3 vagina, anal involvement).
N2c: Vulvar cancer with lymph node metastasis with extracapsular spread. M0: No distant
metastasis. (AJCC 7th ed.);