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This is a case of an elderly woman who presented symptomatically and on examination was found to have a multifocal breast cancer. An ultrasound-guided axillary node biopsy was carried out.
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DCIS in axillary breast tissue with dense lymphocytic infiltrate
Metastatic carcinoma of the breast with DCIS-like morphology
Primary carcinoma in axillary tail breast tissue
Primary carcinoma arising in ectopic breast tissue in the axillary node
Primary invasive carcinoma with DCIS and lymphocytic infiltrate
Handling editor Iskander Chaudhry.
Contributors ME searched the literature and wrote the first draft. AMS diagnosed and selected the case. Both authors contributed to the writing up and approval of the final manuscript.
Competing interests None declared.
Patient consent Not required.
Provenance and peer review Commissioned; internally peer reviewed.