TNS2 and gastrointestinal stromal tumor: Median follow-up times after GIST diagnosis for patients of different TNS2 expression levels who were alive were 7.6 years for weak (n = 30, range 1.5–15.3 years), 7.5 years for intermediate (n = 29, range 0.1–16.7 years), and 7.1 years for strong (n = 42, range 0–15.7 years).