Cross-phase attention-based multi-phase CT deep learning for preoperative risk stratification of gastric gastrointestinal stromal tumors in a multicenter study.
PURPOSE To develop and externally validate a multi-phase CT deep learning framework for preoperative risk stratification of 2-5 cm gastric gastrointestinal stromal tumors (GISTs). METHODS This retrospective multicenter study included 427 patients with pathologically confirmed gastric GISTs. At Center A, patients trea...