According to secondary genotypes, the median PFS in GIST with KIT secondary exon 13 or 14 mutation, secondary exon 17 mutation, no secondary mutation found and secondary mutation unknown were 3.0 months (95% CI, 1.243‐4.757 months), 3.0 months (95% CI, 2.759‐3.241 months), 3.0 months (95% CI, 1.623‐4.377 months), and 2.1 months (95% CI, 0.639‐3.561 months), respectively. The gene discussed is KIT; the disease is gastrointestinal stromal tumor.