Key Points Question What factors are associated with surgery preference (wide local excision vs mastectomy) among a prospective cohort of women with newly diagnosed ductal carcinoma in situ (DCIS) before… Click to show full abstract
Key Points Question What factors are associated with surgery preference (wide local excision vs mastectomy) among a prospective cohort of women with newly diagnosed ductal carcinoma in situ (DCIS) before and after magnetic resonance imaging (MRI) and surgeon recommendation? Findings In this cohort study of 368 women diagnosed with DCIS, surgical preference was statistically significantly associated with age and treatment goals and concerns before MRI receipt. Magnetic resonance imaging upstaging, surgeon recommendation, the self-reported importance of keeping one's breast, and cancer worry were associated with received surgery. Meaning These findings suggest that surgery preference for women with DCIS may respond dynamically to additional diagnostic information conferred by MRI and surgeon recommendation.
               
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