Fig. 5

This figure illustrates the pattern of treatment failure. Figure 5 A shows the pattern of PD in patients without ENI. Figure 5B shows the pattern of PD in patients with ENI. Figure 5 C to 5 F are bar charts of treatment failure in patients with ENI included at different levels (II, Ib, III, V). PD refers to progressive disease, and LN refers to lymph node metastasis