PLK1 and malignant colon neoplasm: In KRAS‐mutant pancreatic cancer cohort (n = 133), a strong correlation between PLK1 and FGF9, FGF14 was observed, and in KRAS‐mutant colon cancer (n = 170), only FGF14 strongly correlated with PLK1 (Appendix Fig S3B and C).