Results showed that node-positive triple-negative breast cancer (TNBC) and HER2-positive breast tumors highly co-express p-TrkA and p-STAT3Of the nine TNBC samples, we found that 100% of them have high p-STAT3 and 77.8% of these samples concurrently express high p-TrkA. Here, STAT3 is linked to breast neoplasm.