Fig. 4From: Risk prediction of second primary malignancies in patients after rectal cancer: analysis based on SEER ProgramThe calibration curve to evaluate the 1-year(a),3-year (c) and 5-year (e) survival for second primary malignancy (SPM) patients in the training set; The calibration curve to evaluate the 1-year(b),3-year (d) and 5-year (f)survival for SPM patients in the validation setBack to article page