ERBB2 and metastatic malignant neoplasm in the lymph nodes: The OS and DFS were significantly associated with the following elements: tumor size (OS, P = 0.003; DFS, P < 0.001), lymph node metastases (OS, P < 0.001; DFS, P < 0.001), Her2 (OS, P = 0.006), TNM staging (OS, P = 0.027/0.003; DFS, P = 0.022/0.002) and AIFM3 expression (OS, P = 0.022; DFS, P = 0.034) (Additional file 2: Table S1 and Table S2).