Among these markers, EGFR, which belongs to the receptor tyrosine kinase family6, is involved in the pathogenesis and progression of mammalian malignant tumours7, for phyllodes tumours of the breast, the expression of EGFR appears to be amplified according to tumor grade to be maximum in malignant tumors8,7. The gene discussed is EGFR; the disease is breast phyllodes tumor.