Fig. 3

Data characteristics of anti-HER2 and anti-HER2 combined immunotherapy cohorts. a Distribution of proportions for pathological and radiological image data across different sets. b Distribution of clinical information, encompassing patient information, radiological clinical reports, and pathological clinical reports. Stacked bars and violin plots were used for discrete and continuous data, respectively. c Heatmap illustrating the distribution of clinical information at the individual level, with each row representing one piece of clinical information and each column representing one individual. Some clinical information items with multiple labels, such as the location of the metastatic lymph nodes, HER2 expression heterogeneity, and tumor locations, are presented in Supplementary Fig. S1