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Abstract
Objective: In 2018 International Federation of Gynecology and Obstetrics (FIGO) staging system of uterine cervix cancer, size criteria of primary tumor has been revised. This study aimed to evaluate the validity of this new size criteria (<2, 2-4, and ≧4 cm) in patients who underwent radical hysterectomy and adjuvant radiation therapy (RT) for early cervical cancer.

Materials and methods: We retrospectively examined 312 patients who underwent radical hysterectomy and adjuvant RT for early cervical cancer (IB-IIA) from 2001 to 2014. The effects of clinical and pathological factors on disease-free survival (DFS) and overall survival (OS) were evaluated in univariate and multivariate analyses.

Results: After a median follow-up of 71.5 months, the 5-year DFS and OS rates were 89.5% and 94.7%, respectively. The primary tumor size was not a significant factor for DFS (p = 0.382) or OS (p = 0.725) in all patients.

Conclusion: Primary tumor size was not a significant factor for survival in patients who received hysterectomy and adjuvant RT for early cervical cancer. Adequacy of new tumor size criteria (<2, 2-4, and ≧4 cm) in new 2018 FIGO stage needs to be validated in further studies.

Affiliations

Won Kyung Cho  1 , Won Park  2 , Hakyoung Kim  3 , Yeon Joo Kim  4 , Young Seok Kim  5
1 Department of Radiation Oncology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.
2 Department of Radiation Oncology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea. Electronic address: wonro.park@samsung.com.
3 Department of Radiation Oncology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Republic of Korea.
4 Department of Radiation Oncology, Asan Medical Center, Ulsan University School of Medicine, Seoul, Republic of Korea.
5 Department of Radiation Oncology, Asan Medical Center, Ulsan University School of Medicine, Seoul, Republic of Korea. Electronic address: ysk@amc.seoul.kr.