NCIt definition : Stage IIIC includes: TX-T3, N1c, M0. TX: Tumor in which the primary tumor cannot be
assessed. T1: Tumor confined to the vulva. T2: Tumor of any size with extension to
lower 1/3 of urethra, lower 1/3 of vagina, or anus. T3: Tumor of any size with disease
extension to upper 2/3 of urethra, upper 2/3 of vagina, bladder mucosa, rectal mucosa.
N1c: Tumor involvement of regional lymph nodes with extranodal extension (ENE). M0:
No distant metastasis. (AJCC 9th Ed.);