Poor prognosis is associated with low DOK5 expression in liver cancer (OS: HR = 0.61, 95%CI = 0.43 to 0.87, P = 0.0057; PFS: HR = 0.7, 95%CI = 0.52 to 0.94, P = 0.016; RFS: HR = 0.58, 95%CI = 0.58 to 0.81, P = 0.0011; Figure 3(h)–3(j)). The gene discussed is DOK5; the disease is liver cancer.