Kaplan–Meier analysis showed that factors related to OS were family history (P = 0.048), number of lymph node (LN) metastases (P < 0.001), vascular tumor thrombus (P < 0.001), HER2 expression status (P = 0.025), and clinical stage (P < 0.001). Here, ERBB2 is linked to vascular neoplasm.