CNN1 and urinary bladder cancer: For example, the HnRNPR-CCNB1/CENPF axis may contribute to gastric cancer proliferation and metastasis (Chen E. B. et al., 2019), CNN1 may be a potential prognostic marker of bladder cancer according to a bioinformatics analysis (Liu Y. et al., 2019), and the combined detection of CEA with FABP4 and FABP6 may improve the diagnostic efficacy of CRC (Zhang et al., 2019).