1. provide clinical and demographic summary for those studies as request. 2. Figure 2 and 3 are inconsistent with the description in the main text. For example, in "Result", "Patients with higher SII values were significantly associated with worse OS (HR:1.54,95%CI:1.36-1.73, P<0.001) (Figure .2)". However in figure. 2, the CI all overlap with 1.