Monarch Disease Ontology entry MONDO_0042487 (uterine cervix carcinoma in situ) is stage 0 includes: (Tis, N0, M0). Tis: Carcinoma in situ. N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 6th ed.) - 2003. Also known as: CIN 3 aJCC v6, CIN III, CIN III - carcinoma in situ of cervix, CIN III - severe dyskaryosis, CIN grade 3 aJCC v6, FIGO stage 0 carcinoma of cervix, FIGO stage 0 carcinoma of cervix uteri, FIGO stage 0 carcinoma of the cervix.