Fig. 1From: A nomogram for predicting the HER2 status in female patients with breast cancer in China: a nationwide, multicenter, 10-year epidemiological studyFlow diagram of the study design. A total of 2291 patients with complete relevant information were enrolled in this study and were randomized 3:1 and divided into a training set (N = 1718) and a validation set (N = 573)Back to article page