Question of the Day

This immunoperoxide stain for cytokeratin was obtained on an axillary sentinel lymph node in a patient with invasive ductal carcinoma of the breast. Which of the following statements is true?
This finding imparts a worst prognosis than if no cytokeratin positive cells were identified
Based on this finding, the patient should receive chemotherapy
The AJCC 6th edition staging manual would classify this as NO disease.
These cells likely represent histocytes rather than neoplastic cells.

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