ATF3 and breast angiosarcoma: Taking the occurrence of BA as the dependent variable, we included FEV1% predicted, FEV1/FVC %, IgE, IL‐17, IL‐6, TNF‐α, EOS, miR‐27a‐3p, and ATF3 with p < 0.0001 in Table 3 as the independent variables for multivariate logistic regression analysis.