Tubular carcinomas of the breast: an epidemiologic study
Jia-Yuan Sun1, Juan Zhou2, Wen-Wen Zhang1
1Department of Radiation Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangzhou 510060, PR China.
Aim:
We explored the clinicopathologic characteristics, prognostic factors and outcomes in tubular carcinoma (TC) of the breast.
Methods:
We retrospectively assessed 8091 TC patients using the SEER database from 2000 to 2013.
Results:
Most patients were non-Hispanic white, well-differentiated disease, tumor size ≤2 cm, node-negative, nonmetastatic, hormone receptor-positive and HER2-negative status. The 10-year breast cancer-specific survival and overall survival were 98.1 and 82.0%, respectively. Multivariate analysis indicated that age, ethnicity, surgery procedures, radiotherapy and chemotherapy were independent predictors affecting survival outcomes. There was comparable breast cancer-specific survival between surgery and nonsurgery groups.
Conclusion:
The patients with TC has excellent survival outcomes, which may in part be due to the favorable tumor characteristics.
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