MYO9A and rheumatoid arthritis: Pan-cancer analyses were conducted to explore the potential role of MYO9A in 33 types of human tumors.<h4>Results</h4>MR analysis suggested that RA might be associated with a slight increased risk of CRC (Odds Ratio = 1.04, 95% Confidence Interval = 1.01-1.07, P = 0.005).