Figure 7. Nomogram and immune signature of the risk model. (A) Nomogram based on risk score, age, sex, and metastasis for predicting the 1-, 3-, and 5-year death rate. (B, C) Calibration plots of the nomogram for predicting the 3- and 5-year’ survival of osteosarcoma. (D) Relationship between risk score and immune cell infiltration and related functions via ssGSEA analysis. (E) Relationship between MRGs signature and immune cell infiltration and related functions via ssGSEA analysis.