passages.id: split_8_test_2628_passage
passages.type: progene_text
passages.text: We studied KLK14 expression in 178 histologically confirmed epithelial breast carcinomas by quantitative reverse transcription - polymerase chain reaction and correlated with clinicopathological variables ( tumour stage , grade , histotype etc. ) and with outcome ( disease - free survival and overall survival ) , monitored over a median of 76 months .