"Breast metastases from extra-mammary malignancies are unusual and, if present, typically indicate widely disseminated disease. They tend to be found in the subcutaneous fat, whereas primary breast cancers develop in glandular tissue."
"The most frequent source of a metastatic breast lesion is the contralateral breast 2. The most common extra-mammary cancers that metastasise to the breast are:"
"On mammography several other primary breast lesions may easily mimic that of a typical well-defined metastasis which may be benign or malignant:"
Expected headings
"Primary sites"
"History and etymology"