Radiat Oncol J.
2017 Mar;35(1):48-54. 10.3857/roj.2016.01977.
Adverse effect of excess body weight on survival in cervical cancer patients after surgery and radiotherapy
- Affiliations
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- 1Department of Radiation Oncology, Inje University Busan Paik Hospital, Inje University College of Medicine, Busan, Korea. rtyoon@gmail.com
- 2Division of Oncology/Hematology, Department of Internal Medicine, Inje University Busan Paik Hospital, Inje University College of Medicine, Busan, Korea.
- KMID: 2401799
- DOI: http://doi.org/10.3857/roj.2016.01977
Abstract
- PURPOSE
This study aimed to assess the effects of body mass index (BMI) on survival in cervical cancer patients who had undergone surgery and radiotherapy (RT).
MATERIALS AND METHODS
We retrospectively reviewed the medical records of 70 cervical cancer patients who underwent surgery and RT from 2007 to 2012. Among them, 40 patients (57.1%) had pelvic lymph node metastases at the time of diagnosis. Sixty-seven patients (95.7%) had received chemotherapy. All patients had undergone surgery and postoperative RT. Median BMI of patients was 22.8 kg/m² (range, 17.7 to 35.9 kg/m²).
RESULTS
The median duration of follow-up was 52.3 months (range, 16 to 107 months). Twenty-four patients (34.3%) showed recurrence. Local failure, regional lymph nodal failure, and distant failure occurred in 4 (5.7%), 6 (8.6%), and 17 (24.3%) patients, respectively. The 5-year actuarial pelvic control rate was 83.4%. The 5-year cancer-specific survival (CSS) and disease-free survival (DFS) rates were 85.1% and 65.0%, respectively. The presence of pelvic lymph node metastases (n = 30) and being overweight or obese (n = 34, BMI ≥ 23 kg/m²) were poor prognostic factors for CSS (p = 0.003 and p = 0.045, respectively). Of these, pelvic lymph node metastasis was an independent prognostic factor (p = 0.030) for CSS.
CONCLUSION
Overweight or obese cervical cancer patients showed poorer survival outcomes than normal weight or underweight patients. Weight control seems to be important in cervical cancer patients to improve clinical outcomes.
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