NCIt related terms : stage 0 vulvar carcinoma in situ; Carcinoma in situ of vulva;
NCIt definition : Stage 0 includes: Tis, N0, M0. Tis: Carcinoma in situ (preinvasive carcinoma). N0:
No regional lymph node metastasis. M0: No distant metastasis. FIGO no longer includes
stage 0. (AJCC 7th ed.);
Alternative definition : NCI-GLOSS: Abnormal cells are found on the surface of the vulvar skin. These abnormal
cells may become cancer and spread into nearby normal tissue.;