Comparison of patients with small (≤2 cm) breast cancer according to adherence to breast screening program

PloS One
Jung Min ParkJoon Jeong

Abstract

We investigated whether adherence to breast screening would yield a clinical benefit even among patients with small breast cancer (≤2 cm) by comparing differences between those who did and did not adhere to breast screening. Patients who were diagnosed with invasive T1 breast cancer and treated at Gangnam Severance Hospital from January 2006 to June 2014 were included. Of the 632 study patients, 450 and 182 were classified as screen-adherent and non-adherent. Adherence to the breast screening program was defined as the completion of breast screening examinations within 3 years before cancer diagnosis. Recurrence-free survival (RFS) and metastasis-free survival (MFS) were compared between the groups. Propensity score matching were applied to compare survival outcome. Adherent patients were more likely to have a lower histologic grade (P < 0.001), high estrogen receptor expression (P = 0.040), and lower HER2-positivity (P = 0.026). The adherent group had more favorable subtypes compared to the non-adherent group, with a greater percentage of Luminal/HER2-negative subtype (66.7% vs. 56.5%) and a lower percentage of HER2 subtype (8.3% vs. 16.7%). The RFS and MFS were significantly better in the adherent group (P = 0.003, 0.010, res...Continue Reading

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Citations

Dec 19, 2020·International Journal of Environmental Research and Public Health·Brigitte Le Magueresse-Battistoni

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Methods Mentioned

BETA
genotyping

Software Mentioned

SPSS
SAS

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