Research Paper Volume 16, Issue 11 pp 9824—9845
Age-related nomogram revealed optimal therapeutic option for older patients with primary liver cancer: less is more
Figure 3. The receiver operating characteristic (ROC) curves based on nomogram. The ROC curves based on nomogram in the training, internal and external validation set of low-age group (A–C), middle-age group (D–F) and old-age group (G–I).