There was no marked difference among the three types of cancer in terms of the incidence of proteinuria with VEGFR‐TKIs (Table 1).12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37. This evidence concerns the gene KDR and cancer.