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PIWIL2 expression predicts better prognosis in biliopancreatic cancer patients. (A) Representative micrographs of high-risk (left) and low-risk (right) PIWIL2 expression tumors. (B,C) Kaplan–Meier curves for progression-free survival and overall survival analysis of patients, respectively. P-values were obtained by log-rank test. Scale bars: 50 μm.
