Figure 4

Comparison of nomogram and TNM staging for 1–2-, and 3-year overall survival prediction in limited-stage small-cell lung cancer patients: Receiver-operating characteristic curve (ROC) predict 1(A)-, 2(B)-, and 3(C)-year overall survival in the training set; ROC predicts 1(D)-, 2(E)-, and 3(F)-year overall survival in the validation set.