Beyond Boundaries: Breast Cancer Metastasizing to Colon-An Insight into a Rare yet Significant Clinical Scenario: A Case Series.

Background: Colorectal metastasis from primary breast cancer is rare and presents a challenge for diagnosis and treatment.

Aim: To report two cases of colorectal metastasis from a primary invasive lobular breast carcinoma (ILBC) with different presentations while discussing the mode of diagnosis, immunohistochemistry (IHC), course of treatment, and response.

Case 1: A 47-year-old female, with a known case of bilateral invasive lobular breast cancer, was diagnosed in 2015 and staged as p Tx N3 M0.