Clinical characteristics
Eighty-nine eligible patients were included in this retrospective study. The entire cohort was randomly divided into a training set (n = 64) and a validation set (n = 25) at a ratio of 7:3. The demographics and clinicopathological characteristics of the patients in the training and validation cohorts are shown in Clinicopathological characteristics of the dataset.Data are n/N (%), unless otherwise stated. MPR, Major pathological response.