Case Report

Rare Case of Breast Tumor Secondary to Rectal Adenocarcinoma

Authors: Lisette Delgado Sanchez, MD, Thandavababu Chelliah, MD, Irina Meisher, MD, Selvanayagam Niranjan, MD


Primary breast cancer is the most common malignancy in women. Metastatic cancer to the breast is very rare. Colorectal cancers usually metastasize to the liver and the lung; other sites of metastasis from colon cancer are uncommon and are usually found in association with extensive liver and/or lung metastases. This is a report of a rare case of aggressive rectal cancer with metastasis to the breast without liver or lung metastases.

Key Points

* Colorectal cancers usually metastasize to the liver and lung.

* Although primary breast cancer is the most common malignancy in women, metastatic cancer to the breast is very rare.

* Rectal cancer metastasizing to the breast without liver or lung metastases is very rare.

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