All tumors in the GASTROINTESTINAL TRACT arising from mesenchymal cells (MESODERM) except those of smooth muscle cells (LEIOMYOMA) or Schwann cells (SCHWANNOMA).
Also Known As:
Gastrointestinal Stromal Tumor; Gastrointestinal Stromal Neoplasms; Gastrointestinal Stromal Sarcoma; Gastrointestinal Stromal Neoplasm; Neoplasm, Gastrointestinal Stromal; Neoplasms, Gastrointestinal Stromal; Stromal Neoplasm, Gastrointestinal; Stromal Neoplasms, Gastrointestinal; Stromal Tumor, Gastrointestinal; Stromal Tumors, Gastrointestinal