Fig. 1From: Gastrointestinal stromal tumor (GIST) presenting as a multilocular cystic intra-abdominal mass in a dogSonographic image of a portion of the mid-abdominal mass including solid portions (red triangle) and cystic components (red arrows; not all components labelled). In the cranial aspect, there is a triangular echogenic fluid pocket of uncertain origin (red circle) – this may be another cystic component of the mass or free in the peritoneal cavity. Cranial is to the left of the imageBack to article page