Of note, high levels of very long odd-carbon chain C1P (C23:0 C1P and C23:1 C1P) have been detected in breast tumors from patients compared to the tumor-adjacent normal tissue [49], and C1P levels are also positively correlated with Ki-67 index of the breast tumors [49], suggesting that C1P level can be a potential prognostic parameter in breast cancer patients [93]. The gene discussed is MKI67; the disease is breast neoplasm.