ATP5IF1 and malignant colon neoplasm: In contrast, a better prognosis is predicted in breast and colon cancer patients expressing high IF1 tissue levels (Sánchez-Aragó et al., 2013; Zhang et al., 2016; González-Llorente et al., 2020), especially in the case of triple-negative breast cancer (García-Ledo et al., 2017).