AKT1 and renal pelvis/ureter urothelial carcinoma: The dysregulation of the PI3K/AKT pathway in breast cancer caused by the overexpression of NTRK3 was also reported in another study by Jin et al.16The effects of changes in the NTRK3 protein on the activity of the PI3K‐AKT pathway have not been well studied in cases of UTUC.