In addition, PD-L1 is an important marker for the evaluation of immunotherapy [19], VEGFR-2 is one of the key markers of tumor angiogenesis [20], INF-γ is an important proinflammatory factor that inhibits tumor growth [21], and Ki67 evaluates cell proliferation and is also related to tumor prognosis [22]. The gene discussed is CD274; the disease is neoplasm.