Gastrointestinal stromal tumours (GISTs) are malignant mesenchymal tumours with a variable clinical behaviour, marked by differentiation towards the interstitial cells of Cajal. GISTs belong to the family of soft tissue sarcomas but are treated separately due to their peculiar histogenesis, clinical behaviour and specific therapy.1
This is a companion discussion topic for the original article at https://patient.info/doctor/gastrointestinal-stromal-tumours