Gastric metastasis from breast cancer is rare and only six cases have been reported in Korea. Colon metastasis is more rare than gastric metastasis. We report a 63-year-old woman with gastric and colon metastases of invasive lobular carcinoma of breast. She was diagnosed as right breast cancer, received right modified radical mastectomy 10 years ago and has been treated with chemotherapy and hormone therapy. Investigating for melena and a small caliber of stool, we found gastric and colon metastases. The diagnosis of metastatic breast cancer was made through gross pathologic and immunohistochemistry staining. We report a case with gastric and colon metastases from breast cancer and a review of the associated six case reports in Korea.

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• Simultaneous Gastric and Colonic Metastasis of Breast Cancer
  Inês Botto, Rafael Moiteiro Cruz, Carlos Noronha Ferreira, Ana Isabel Valente, Luis Carrilho-Ribeiro, Rui Tato-Marinho, Cristina Ferreira, Luis Correia
  ACG Case Reports Journal.2023; 10(10): e01168.     CrossRef