Non-Invasive Breast Carcinoma Treatment Outcomes Overview Non-invasive breast carcinoma, distinct from invasive forms, can lead to local recurrence post-surgery, potentially progressing to invasive carcinoma and distant metastasis, impacting breast cancer prognosis. This study, involving 93 cases among 872 primary breast cancers, assessed outcomes. Surgical interventions, radiation, and endocrine therapy were common treatments.