Output name n Recognition rates True False Positive (response to BCG) 30 29(96.66%) 1(3.33%) Negative (recurrence) 10 10(100%) 0(0%) Total 40 39(97.5%) 1(2.5%) Sensitivity=TP/(TP+FN)=96.66% Specificity=TN/(TN+FP)=100% Positive predictive value=TP/(TP+FP)=100% Negative predictive value =TN/(TN+FN)=90.9% Abbreviations: TP: True positive; TN: True negative; FP: False positive; FN: False negative.

Table 2: The testing performance of the system based on artificial neural networks.