Conclusions
It is the first study that developed an effective survival prediction model for patients with ES. Using this nomogram can assist in clinical decision‐making as it has satisfactory accuracy. Even so, additional external validation is needed.It is the first study that develope an effective survival prediction model for patients with ES. Using this nomogram can assist in clinical decision‐making as it has satisfactory accuracy. Even so, additional external validation is needed.
Di Zhang, Jintao Hu, and Zhuojie Liu have contributed equally to the work and are joint first authors.