1. Ferlay J, Soerjomataram I, Dikshit R, Eser S, Mathers C, Rebelo M, et al. Cancer incidence and mortality worldwide: sources, methods and major patterns in GLOBOCAN 2012. Int J Cancer. 2015; 136:E359–E386.
2. Landoni F, Maneo A, Colombo A, Placa F, Milani R, Perego P, et al. Randomised study of radical surgery versus radiotherapy for stage Ib-IIa cervical cancer. Lancet. 1997; 350:535–540.
3. Peters WA 3rd, Liu PY, Barrett RJ 2nd, Stock RJ, Monk BJ, Berek JS, et al. Concurrent chemotherapy and pelvic radiation therapy compared with pelvic radiation therapy alone as adjuvant therapy after radical surgery in high-risk early-stage cancer of the cervix. J Clin Oncol. 2000; 18:1606–1613.
4. Samlal RA, van der Velden J, Schilthuis MS, Gonzalez Gonzalez D, Ten Kate FJ, Hart AA, et al. Identification of high-risk groups among node-positive patients with stage IB and IIA cervical carcinoma. Gynecol Oncol. 1997; 64:463–467.
5. Lai CH, Chang HC, Chang TC, Hsueh S, Tang SG. Prognostic factors and impacts of adjuvant therapy in early-stage cervical carcinoma with pelvic node metastases. Gynecol Oncol. 1993; 51:390–396.
6. Alvarez RD, Soong SJ, Kinney WK, Reid GC, Schray MF, Podratz KC, et al. Identification of prognostic factors and risk groups in patients found to have nodal metastasis at the time of radical hysterectomy for early-stage squamous carcinoma of the cervix. Gynecol Oncol. 1989; 35:130–135.
7. Van Nagel JR Jr, Donaldson ES, Parker JC, Van Dyke AH, Wood EG. The prognostic significance of cell type and lesion size in patients with cervical cancer treated by radical surgery. Gynecol Oncol. 1977; 5:142–151.
8. Delgado G, Bundy B, Zaino R, Sevin BU, Creasman WT, Major F. Prospective surgical-pathological study of disease-free interval in patients with stage IB squamous cell carcinoma of the cervix: a Gynecologic Oncology Group study. Gynecol Oncol. 1990; 38:352–357.
9. Wertheim MS, Hakes TB, Daghestani AN, Nori D, Smith DH, Lewis JL Jr. A pilot study of adjuvant therapy in patients with cervical cancer at high risk of recurrence after radical hysterectomy and pelvic lymphadenectomy. J Clin Oncol. 1985; 3:912–916.
10. Aoki Y, Sasaki M, Watanabe M, Sato T, Tsuneki I, Aida H, et al. High-risk group in node-positive patients with stage IB, IIA, and IIB cervical carcinoma after radical hysterectomy and postoperative pelvic irradiation. Gynecol Oncol. 2000; 77:305–309.
11. Park JY, Kim DY, Kim JH, Kim YM, Kim YT, Nam JH. Further stratification of risk groups in patients with lymph node metastasis after radical hysterectomy for early-stage cervical cancer. Gynecol Oncol. 2010; 117:53–58.
12. Uno T, Ito H, Itami J, Yasuda S, Isobe K, Hara R, et al. Postoperative radiation therapy for stage IB-IIB carcinoma of the cervix with poor prognostic factors. Anticancer Res. 2000; 20:2235–2239.
13. Berek JS, Hacker NF. Practical gynecologic oncology. 4th ed. Philadelphia (PA): Lippincott;2005.
14. Suprasert P, Srisomboon J, Kasamatsu T. Radical hysterectomy for stage IIB cervical cancer: a review. Int J Gynecol Cancer. 2005; 15:995–1001.
15. Kodama J, Seki N, Ojima Y, Nakamura K, Hongo A, Hiramatsu Y. Prognostic factors in node-positive patients with stage IB-IIB cervical cancer treated by radical hysterectomy and pelvic lymphadenectomy. Int J Gynaecol Obstet. 2006; 93:130–135.
16. Winter R, Haas J, Reich O, Koemetter R, Tamussino K, Lahousen M, et al. Parametrial spread of cervical cancer in patients with negative pelvic lymph nodes. Gynecol Oncol. 2002; 84:252–257.
17. Lahousen M, Haas J, Pickel H, Hackl A, Kurz C, Ogris H, et al. Chemotherapy versus radiotherapy versus observation for high-risk cervical carcinoma after radical hysterectomy: a randomized, prospective, multicenter trial. Gynecol Oncol. 1999; 73:196–201.
18. Iwasaka T, Kamura T, Yokoyama M, Matsuo N, Nakano H, Sugimori H. Adjuvant chemotherapy after radical hysterectomy for cervical carcinoma: a comparison with effects of adjuvant radiotherapy. Obstet Gynecol. 1998; 91:977–981.
19. Tattersall MH, Ramirez C, Coppleson M. A randomized trial of adjuvant chemotherapy after radical hysterectomy in stage Ib-IIa cervical cancer patients with pelvic lymph node metastases. Gynecol Oncol. 1992; 46:176–181.
20. Eifel PJ, Winter K, Morris M, Levenback C, Grigsby PW, Cooper J, et al. Pelvic irradiation with concurrent chemotherapy versus pelvic and para-aortic irradiation for high-risk cervical cancer: an update of radiation therapy oncology group trial (RTOG) 90-01. J Clin Oncol. 2004; 22:872–880.
21. Chemoradiotherapy for Cervical Cancer Meta-Analysis Collaboration. Reducing uncertainties about the effects of chemoradiotherapy for cervical cancer: a systematic review and meta-analysis of individual patient data from 18 randomized trials. J Clin Oncol. 2008; 26:5802–5812.