Cox regression model confirmed the prognostic impact of IGF-1 in BLCA (p = 4.4e−0.6), CHOL (p = 3.8e−0.2), LAML (p = 7.8e−0.3), and SARC (p = 4.2e−0.2) with the same trend (Figure 2E). Here, IGF1 is linked to bladder transitional cell carcinoma.