82 year old female with previous history of breast carcinoma, 3 years ago, now presents with a groin mass. The mass is 2.7cm and the initial impression was an enlarged lymph node. The sections show a smooth somewhat lobulated surface with areas of trapped mature fat. There is no necrosis, a thin capsule is seen and there are no mitotic figures. The following immunostains were done: CD34..POSITIVE
Desmin..Negative
SMA.....Negative
ER......Negative
PR......NEgative
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