Fig. 2From: Development and validation of a novel diagnostic model for initially clinical diagnosed gastrointestinal stromal tumors using an extreme gradient-boosting machinePartial importance of features in the final model. Round or round-like tumors (b) with a CT value of around 30 (25–37) (c) and delayed enhancement (d, e), as well as liquid (a) but not calcified (f) area inside the tumor best indicate the diagnosis of GISTBack to article page