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Nomogram model constructed for CXCR subunits expression level for (A) overall survival and (B) disease-free survival in patients with early-stage pancreatic adenocarcinoma. To determine the value of each variable on the point axis, a vertical line is drawn on the total points axis according to the total value of variables and the predicted survival probability in the time-evaluated line. CXCR, C-X-C motif chemokine receptor.
