Rectal metastasis originating from breast cancer: A rare case report.

ABSTRACT:

Introduction

Gastrointestinal tract involvement in breast cancer is rarely encountered clinically. Data about this condition is limited and mostly from case reports.

Case presentation

We report a case of rectal metastasis originating from breast cancer, which presents after a long-term latency of initial diagnosis. The patient had a history of diagnosis and treatment of stage II triple-negative breast cancer with mastectomy and adjuvant chemotherapy and radiotherapy. She showed no signs of recurrence up to eleven years, then presented with hematochezia and mild constipation. A rectal lesion was found on colonoscopy, which raise the initial suspicion of primary rectal cancer, but surprisingly, immunohistochemistry staining of the rectal specimen confirmed the origin of breast

SUBMITTER: Hoang DA 

PROVIDER: S-EPMC9207094 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature