ɪn sˌʌm kˈænsɚz, lˈaɪk nˌʊɹɹəblɐstˈoʊmə, tˌiːˌɑːɹkˈeɪ ɐ ɪz sˈiːn æz ɐ ɡˈʊd pɹəɡnˈɑːstɪk mˈɑːɹkɚɹ ˌæzɪtˌɪz lˈɪŋkt tə spɑːntˈeɪniəs tˈuːmɚ ɹᵻɡɹˈɛʃən.
In some cancers, like neuroblastoma, TrkA is seen as a good prognostic marker as it is linked to spontaneous tumor regression.