To further address the impact of serum ApoA1 level on cancer mortality in patients after PCI, univariate‐unadjusted and multivariate‐adjusted Cox proportional hazard analyses calculated the hazard ratios (HRs) of a 1 − SD higher ApoA1 level as a continuous valuable, for predicting total, GI, and lung cancer mortalities. The gene discussed is APOA1; the disease is cancer.