Performance of risk stratification systems for gastrointestinal stromal tumors: A multicenter study

Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal tumor type in the gastrointestinal system. Presently, various classification systems to prognosticate GISTs have been proposed.To evaluate the application value of four different risk stratification systems for GISTs.Patients who were diagnosed with GISTs and underwent surgical resection at four hospitals from 1998 to 2015 were identified from a database. Risk of recurrence...