Gastrointestinal Stromal Tumors
Gastrointestinal Stromal Neoplasms; Gastrointestinal Stromal Neoplasm; Gastrointestinal Stromal Tumor; Neoplasm, Gastrointestinal Stromal; Neoplasms, Gastrointestinal Stromal; Stromal Neoplasm, Gastrointestinal; Stromal Neoplasms, Gastrointestinal
All tumors in the GASTROINTESTINAL TRACT arising from mesenchymal cells (MESODERM) except those of smooth muscle cells (LEIOMYOMA) or SCHWANN CELLS (SCHWANNOMA).